diff --git a/lib/Db/FileUserMapper.php b/lib/Db/FileUserMapper.php
index 7ca8218945..9d430c6890 100644
--- a/lib/Db/FileUserMapper.php
+++ b/lib/Db/FileUserMapper.php
@@ -76,21 +76,16 @@ public function getByEmailAndFileId(string $email, int $fileId): \OCP\AppFramewo
 		return $this->findEntity($qb);
 	}
 
-	/**
-	 * @param array<IIdentifyMethod> $identifyMethods
-	 */
-	public function getByIdentifyMethodAndFileId(array $identifyMethods, int $fileId): \OCP\AppFramework\Db\Entity {
-		foreach ($identifyMethods as $identifyMethod) {
-			$qb = $this->db->getQueryBuilder();
-			$qb->select('fu.*')
-				->from($this->getTableName(), 'fu')
-				->join('fu', 'libresign_identify_method', 'im', 'fu.file_id = im.file_user_id')
-				->where($qb->expr()->eq('im.method', $qb->createNamedParameter($identifyMethod->getEntity()->getMethod())))
-				->andWhere($qb->expr()->eq('im.identifier_key', $qb->createNamedParameter($identifyMethod->getEntity()->getIdentifierKey())))
-				->andWhere($qb->expr()->eq('im.identifier_value', $qb->createNamedParameter($identifyMethod->getEntity()->getIdentifierValue())))
-				->andWhere($qb->expr()->eq('fu.file_id', $qb->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
-			return $this->findEntity($qb);
-		}
+	public function getByIdentifyMethodAndFileId(IIdentifyMethod $identifyMethod, int $fileId): \OCP\AppFramework\Db\Entity {
+		$qb = $this->db->getQueryBuilder();
+		$qb->select('fu.*')
+			->from($this->getTableName(), 'fu')
+			->join('fu', 'libresign_identify_method', 'im', 'fu.file_id = im.file_user_id')
+			->where($qb->expr()->eq('im.method', $qb->createNamedParameter($identifyMethod->getEntity()->getMethod())))
+			->andWhere($qb->expr()->eq('im.identifier_key', $qb->createNamedParameter($identifyMethod->getEntity()->getIdentifierKey())))
+			->andWhere($qb->expr()->eq('im.identifier_value', $qb->createNamedParameter($identifyMethod->getEntity()->getIdentifierValue())))
+			->andWhere($qb->expr()->eq('fu.file_id', $qb->createNamedParameter($fileId, IQueryBuilder::PARAM_INT)));
+		return $this->findEntity($qb);
 	}
 
 	/**
diff --git a/lib/Helper/ValidateHelper.php b/lib/Helper/ValidateHelper.php
index 87d0e21899..cb1b7f885a 100644
--- a/lib/Helper/ValidateHelper.php
+++ b/lib/Helper/ValidateHelper.php
@@ -574,23 +574,24 @@ public function validateCredentials(FileUser $fileUser, array $params): void {
 			throw new LibresignException($this->l10n->t('File already signed.'));
 		}
 
-		$identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
-		$identifyMethod = array_filter($identifyMethods, function (IdentifyMethod $identifyMethod) use ($currentIdentifyMethod): bool {
-			return $identifyMethod->getMethod() === $currentIdentifyMethod;
-		});
-		if (!$identifyMethod) {
-			throw new LibresignException($this->l10n->t('Invalid identification method'));
-		}
-		$identifyMethod = current($identifyMethod);
-
-		switch ($identifyMethod->getEntity->getMethod()) {
-			case IdentifyMethodService::IDENTIFY_SMS:
-			case IdentifyMethodService::IDENTIFY_TELEGRAM:
-			case IdentifyMethodService::IDENTIFY_SIGNAL:
-			case IdentifyMethodService::IDENTIFY_EMAIL:
-				$this->valdateCode($fileUser, $params);
-				break;
-		}
+		// @todo implement this logic to validate the identify method, the follow code is complex and dont work
+		// $identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// $identifyMethod = array_filter($identifyMethods, function (IdentifyMethod $identifyMethod) use ($currentIdentifyMethod): bool {
+		// 	return $identifyMethod->getMethod() === $currentIdentifyMethod;
+		// });
+		// if (!$identifyMethod) {
+		// 	throw new LibresignException($this->l10n->t('Invalid identification method'));
+		// }
+		// $identifyMethod = current($identifyMethod);
+
+		// switch ($identifyMethod->getEntity->getMethod()) {
+		// 	case IdentifyMethodService::IDENTIFY_SMS:
+		// 	case IdentifyMethodService::IDENTIFY_TELEGRAM:
+		// 	case IdentifyMethodService::IDENTIFY_SIGNAL:
+		// 	case IdentifyMethodService::IDENTIFY_EMAIL:
+		// 		$this->valdateCode($fileUser, $params);
+		// 		break;
+		// }
 	}
 
 	public function validateIdentifyMethods(array $identifyMethods): void {
diff --git a/lib/Service/AccountService.php b/lib/Service/AccountService.php
index 42a340b0cc..9e5a8b48e5 100644
--- a/lib/Service/AccountService.php
+++ b/lib/Service/AccountService.php
@@ -174,16 +174,17 @@ public function createToSign(string $uuid, string $email, string $password, ?str
 		$newUser->setDisplayName($fileUser->getDisplayName());
 		$newUser->setSystemEMailAddress($email);
 
-		$identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
-		foreach ($identifyMethods as $name => $identifyMethod) {
-			if ($name === IdentifyMethodService::IDENTIFY_ACCOUNT) {
-				$entity = $identifyMethod->getEntity();
-				if ($entity->getIdentifierKey() === IdentifyMethodService::IDENTIFY_ACCOUNT) {
-					$identifyMethod->getEntity()->setIdentifierValue($newUser->getUID());
-					$this->identifyMethodService->save($fileUser, false);
-				}
-			}
-		}
+		// @todo implement this logic, the follow code is complex and dont work
+		// $identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// foreach ($identifyMethods as $name => $identifyMethod) {
+		// 	if ($name === IdentifyMethodService::IDENTIFY_ACCOUNT) {
+		// 		$entity = $identifyMethod->getEntity();
+		// 		if ($entity->getIdentifierKey() === IdentifyMethodService::IDENTIFY_ACCOUNT) {
+		// 			$identifyMethod->getEntity()->setIdentifierValue($newUser->getUID());
+		// 			$this->identifyMethodService->save($fileUser, false);
+		// 		}
+		// 	}
+		// }
 
 		if ($this->config->getAppValue('core', 'newUser.sendEmail', 'yes') === 'yes') {
 			try {
diff --git a/lib/Service/FileService.php b/lib/Service/FileService.php
index 793c882650..548e1b57df 100644
--- a/lib/Service/FileService.php
+++ b/lib/Service/FileService.php
@@ -168,39 +168,40 @@ private function getSigners(): array {
 				'me' => false,
 				'fileUserId' => $signer->getId()
 			];
-			if (!empty($uid)) {
-				$identifyMethodServices = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($signer->getId());
-				if ($uid === $this->file->getUserId()) {
-					$email = array_reduce($identifyMethodServices, function (?string $carry, IIdentifyMethod $identifyMethod): ?string {
-						if ($identifyMethod->getEntity()->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
-							$carry = $identifyMethod->getEntity()->getIdentifierValue();
-						}
-						return $carry;
-					});
-					$signatureToShow['email'] = $email;
-					$user = $this->userManager->getByEmail($email);
-					if ($user) {
-						$signatureToShow['uid'] = $user[0]->getUID();
-					}
-				}
-				$accountIdentifyMethod = array_reduce($identifyMethodServices, function (?IIdentifyMethod $carry, IIdentifyMethod $identifyMethod): ?IIdentifyMethod {
-					if ($identifyMethod->getEntity()->getMethod() === IdentifyMethodService::IDENTIFY_ACCOUNT) {
-						$carry = $identifyMethod;
-					}
-					return $carry;
-				});
-				if ($accountIdentifyMethod) {
-					$entity = $accountIdentifyMethod->getEntity();
-					$signatureToShow['me'] = false;
-					if ($entity->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
-						$signatureToShow['me'] = $this->me->getEMailAddress() === $entity->getIdentifierValue();
-						if (!$signer->getSigned()) {
-							$this->settings['canSign'] = true;
-							$this->settings['signerFileUuid'] = $signer->getUuid();
-						}
-					}
-				}
-			}
+			// @todo refactor this code
+			// if (!empty($uid)) {
+			// 	$identifyMethodServices = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($signer->getId());
+			// 	if ($uid === $this->file->getUserId()) {
+			// 		$email = array_reduce($identifyMethodServices, function (?string $carry, IIdentifyMethod $identifyMethod): ?string {
+			// 			if ($identifyMethod->getEntity()->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
+			// 				$carry = $identifyMethod->getEntity()->getIdentifierValue();
+			// 			}
+			// 			return $carry;
+			// 		});
+			// 		$signatureToShow['email'] = $email;
+			// 		$user = $this->userManager->getByEmail($email);
+			// 		if ($user) {
+			// 			$signatureToShow['uid'] = $user[0]->getUID();
+			// 		}
+			// 	}
+			// 	$accountIdentifyMethod = array_reduce($identifyMethodServices, function (?IIdentifyMethod $carry, IIdentifyMethod $identifyMethod): ?IIdentifyMethod {
+			// 		if ($identifyMethod->getEntity()->getMethod() === IdentifyMethodService::IDENTIFY_ACCOUNT) {
+			// 			$carry = $identifyMethod;
+			// 		}
+			// 		return $carry;
+			// 	});
+			// 	if ($accountIdentifyMethod) {
+			// 		$entity = $accountIdentifyMethod->getEntity();
+			// 		$signatureToShow['me'] = false;
+			// 		if ($entity->getIdentifierKey() === IdentifyMethodService::IDENTIFY_EMAIL) {
+			// 			$signatureToShow['me'] = $this->me->getEMailAddress() === $entity->getIdentifierValue();
+			// 			if (!$signer->getSigned()) {
+			// 				$this->settings['canSign'] = true;
+			// 				$this->settings['signerFileUuid'] = $signer->getUuid();
+			// 			}
+			// 		}
+			// 	}
+			// }
 			$this->signers[] = $signatureToShow;
 		}
 		return $this->signers;
diff --git a/lib/Service/IdentifyMethodService.php b/lib/Service/IdentifyMethodService.php
index 206bc21e85..cf427e13e9 100644
--- a/lib/Service/IdentifyMethodService.php
+++ b/lib/Service/IdentifyMethodService.php
@@ -132,11 +132,6 @@ public function getDefaultIdentifyMethodName(): string {
 			?? IdentifyMethodService::IDENTIFY_ACCOUNT;
 	}
 
-	public function getDefaultEntity(): IdentifyMethod {
-		$identifyMethodName = $this->getDefaultIdentifyMethodName();
-		return $this->getIdentifyMethod($identifyMethodName)->getEntity();
-	}
-
 	public function getDefaultIdentiyMethod(int $fileUserId): IdentifyMethod {
 		$identifyMethods = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUserId);
 		$default = array_filter($identifyMethods, function (IdentifyMethod $current): bool {
@@ -153,12 +148,12 @@ public function getDefaultIdentiyMethod(int $fileUserId): IdentifyMethod {
 	}
 
 	/**
-	 * @return array<IIdentifyMethod>
+	 * @return array<string,array<IIdentifyMethod>>
 	 */
 	public function getIdentifyMethodsFromFileUserId(int $fileUserId): array {
 		$entities = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUserId);
 		foreach ($entities as $entity) {
-			$identifyMethod = $this->getIdentifyMethod($entity->getMethod());
+			$identifyMethod = $this->newInstanceOfIdentifyMethod($entity->getMethod());
 			$identifyMethod->setEntity($entity);
 		}
 		return $this->identifyMethods;
diff --git a/lib/Service/NotifyService.php b/lib/Service/NotifyService.php
index 18ca130251..8ddf565d3c 100644
--- a/lib/Service/NotifyService.php
+++ b/lib/Service/NotifyService.php
@@ -25,25 +25,26 @@ public function signers(int $nodeId, array $signers): void {
 			$this->validateHelper->signerWasAssociated($signer);
 			$this->validateHelper->notSigned($signer);
 		}
-		$fileUsers = $this->fileUserMapper->getByNodeId($nodeId);
-		foreach ($fileUsers as $fileUser) {
-			$identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
-			$identifyMethod = array_reduce($identifyMethods, function (?IIdentifyMethod $carry, IIdentifyMethod $identifyMethod) use ($signers): ?IIdentifyMethod {
-				foreach ($signers as $signer) {
-					$key = key($signer);
-					$value = current($signer);
-					$entity = $identifyMethod->getEntity();
-					if ($entity->getIdentifierKey() === $key
-						&& $entity->getIdentifierValue() === $value
-					) {
-						return $identifyMethod;
-					}
-				}
-				return $carry;
-			});
-			if ($identifyMethod instanceof IIdentifyMethod) {
-				$identifyMethod->notify(false, $fileUser);
-			}
-		}
+		// @todo refactor this code
+		// $fileUsers = $this->fileUserMapper->getByNodeId($nodeId);
+		// foreach ($fileUsers as $fileUser) {
+		// 	$identifyMethods = $this->identifyMethodService->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// 	$identifyMethod = array_reduce($identifyMethods, function (?IIdentifyMethod $carry, IIdentifyMethod $identifyMethod) use ($signers): ?IIdentifyMethod {
+		// 		foreach ($signers as $signer) {
+		// 			$key = key($signer);
+		// 			$value = current($signer);
+		// 			$entity = $identifyMethod->getEntity();
+		// 			if ($entity->getIdentifierKey() === $key
+		// 				&& $entity->getIdentifierValue() === $value
+		// 			) {
+		// 				return $identifyMethod;
+		// 			}
+		// 		}
+		// 		return $carry;
+		// 	});
+		// 	if ($identifyMethod instanceof IIdentifyMethod) {
+		// 		$identifyMethod->notify(false, $fileUser);
+		// 	}
+		// }
 	}
 }
diff --git a/lib/Service/RequestSignatureService.php b/lib/Service/RequestSignatureService.php
index 0c645a55e4..ff7bf5921d 100644
--- a/lib/Service/RequestSignatureService.php
+++ b/lib/Service/RequestSignatureService.php
@@ -30,9 +30,9 @@
 use OCA\Libresign\Db\FileMapper;
 use OCA\Libresign\Db\FileUser as FileUserEntity;
 use OCA\Libresign\Db\FileUserMapper;
-use OCA\Libresign\Db\IdentifyMethod;
 use OCA\Libresign\Db\IdentifyMethodMapper;
 use OCA\Libresign\Helper\ValidateHelper;
+use OCA\Libresign\Service\IdentifyMethod\IIdentifyMethod;
 use OCP\AppFramework\Db\DoesNotExistException;
 use OCP\Files\IMimeTypeDetector;
 use OCP\Http\Client\IClientService;
@@ -136,7 +136,7 @@ private function associateToSigners(array $data, int $fileId): array {
 			foreach ($data['users'] as $user) {
 				$identifyMethods = $this->identifyMethod->getByUserData($user['identify']);
 				$fileUser = $this->getFileUserByIdentifyMethod(
-					$identifyMethods,
+					current($identifyMethods),
 					$fileId
 				);
 				$this->setDataToUser($fileUser, $user, $fileId);
@@ -213,12 +213,9 @@ private function setDataToUser(FileUserEntity $fileUser, array $user, int $fileI
 		}
 	}
 
-	/**
-	 * @param array<IdentifyMethod> $identifyMethods
-	 */
-	private function getFileUserByIdentifyMethod(array $identifyMethods, int $fileId): FileUserEntity {
+	private function getFileUserByIdentifyMethod(IIdentifyMethod $identifyMethod, int $fileId): FileUserEntity {
 		try {
-			$fileUser = $this->fileUserMapper->getByIdentifyMethodAndFileId($identifyMethods, $fileId);
+			$fileUser = $this->fileUserMapper->getByIdentifyMethodAndFileId($identifyMethod, $fileId);
 		} catch (DoesNotExistException $e) {
 			$fileUser = new FileUserEntity();
 		}
diff --git a/lib/Service/SignFileService.php b/lib/Service/SignFileService.php
index 4e855c882c..f154e7a1e6 100644
--- a/lib/Service/SignFileService.php
+++ b/lib/Service/SignFileService.php
@@ -499,65 +499,66 @@ private function throwIfAlreadySigned(FileEntity $fileEntity, ?FileUserEntity $f
 	 * @todo validate here if is possible identify the user by identification methods
 	 */
 	private function trhowIfCantIdentifyUser(string $uuid, ?IUser $user, ?FileUserEntity $fileUser): void {
-		$identifyMethods = $this->identifyMethod->getIdentifyMethodsFromFileUserId($fileUser->getId());
-		$maxAttempts = (int) $this->config->getAppValue(Application::APP_ID, 'max_attempts', 5);
-		foreach ($identifyMethods as $identifyMethod) {
-			$entity = $identifyMethod->getEntity();
-			if ($entity->getIdentifiedAtDate()) {
-				continue;
-			}
-			if ($entity->getAttempts() > $maxAttempts) {
-				throw new LibresignException(json_encode([
-					'action' => JSActions::ACTION_DO_NOTHING,
-					'errors' => [$this->l10n->t('Exceeded identification attempts')],
-				]));
-			}
-			/** @todo Validate identify method here if necessary */
-			// $identifyMethod->validateContextBeforeSign($user, $fileUser);
-		}
-		if ($fileUser instanceof FileUserEntity) {
-			$identifyMethods = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUser->getId());
-			$accountIdentifyMethod = array_filter($identifyMethods, function (IdentifyMethod $identifyMethod): bool {
-				return $identifyMethod->getMethod() === IdentifyMethodService::IDENTIFY_ACCOUNT;
-			});
-			if (count($accountIdentifyMethod)) {
-				return;
-			}
-		}
-		if ($user) {
-			throw new LibresignException(json_encode([
-				'action' => JSActions::ACTION_DO_NOTHING,
-				'errors' => [$this->l10n->t('This is not your file')],
-			]));
-		}
-		$identifyMethods = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUser->getId());
-		$email = array_reduce($identifyMethods, function (string $carry, IdentifyMethod $identifyMethod): string {
-			/**
-			 * @todo go-horse to make working with implementation when is necessary to have an email
-			 */
-			if ($identifyMethod->getIdentifierKey() === 'uid') {
-				return $identifyMethod->getIdentifierValue();
-			} elseif ($identifyMethod->getIdentifierKey() === 'email') {
-				return $identifyMethod->getIdentifierValue();
-			}
-			return $carry;
-		}, '');
-		if ($email && $this->userManager->getByEmail($email)) {
-			throw new LibresignException(json_encode([
-				'action' => JSActions::ACTION_REDIRECT,
-				'errors' => [$this->l10n->t('User already exists. Please login.')],
-				'redirect' => $this->urlGenerator->linkToRoute('core.login.showLoginForm', [
-					'redirect_url' => $this->urlGenerator->linkToRoute(
-						'libresign.page.sign',
-						['uuid' => $uuid]
-					),
-				]),
-			]));
-		}
-		throw new LibresignException(json_encode([
-			'action' => JSActions::ACTION_CREATE_USER,
-			'settings' => ['accountHash' => md5($email)],
-		]));
+		// @todo complex code, check if is necessary and what's the best implementation
+		// $identifyMethods = $this->identifyMethod->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// $maxAttempts = (int) $this->config->getAppValue(Application::APP_ID, 'max_attempts', 5);
+		// foreach ($identifyMethods as $identifyMethod) {
+		// 	$entity = $identifyMethod->getEntity();
+		// 	if ($entity->getIdentifiedAtDate()) {
+		// 		continue;
+		// 	}
+		// 	if ($entity->getAttempts() > $maxAttempts) {
+		// 		throw new LibresignException(json_encode([
+		// 			'action' => JSActions::ACTION_DO_NOTHING,
+		// 			'errors' => [$this->l10n->t('Exceeded identification attempts')],
+		// 		]));
+		// 	}
+		// 	/** @todo Validate identify method here if necessary */
+		// 	// $identifyMethod->validateContextBeforeSign($user, $fileUser);
+		// }
+		// if ($fileUser instanceof FileUserEntity) {
+		// 	$identifyMethods = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// 	$accountIdentifyMethod = array_filter($identifyMethods, function (IdentifyMethod $identifyMethod): bool {
+		// 		return $identifyMethod->getMethod() === IdentifyMethodService::IDENTIFY_ACCOUNT;
+		// 	});
+		// 	if (count($accountIdentifyMethod)) {
+		// 		return;
+		// 	}
+		// }
+		// if ($user) {
+		// 	throw new LibresignException(json_encode([
+		// 		'action' => JSActions::ACTION_DO_NOTHING,
+		// 		'errors' => [$this->l10n->t('This is not your file')],
+		// 	]));
+		// }
+		// $identifyMethods = $this->identifyMethodMapper->getIdentifyMethodsFromFileUserId($fileUser->getId());
+		// $email = array_reduce($identifyMethods, function (string $carry, IdentifyMethod $identifyMethod): string {
+		// 	/**
+		// 	 * @todo go-horse to make working with implementation when is necessary to have an email
+		// 	 */
+		// 	if ($identifyMethod->getIdentifierKey() === 'uid') {
+		// 		return $identifyMethod->getIdentifierValue();
+		// 	} elseif ($identifyMethod->getIdentifierKey() === 'email') {
+		// 		return $identifyMethod->getIdentifierValue();
+		// 	}
+		// 	return $carry;
+		// }, '');
+		// if ($email && $this->userManager->getByEmail($email)) {
+		// 	throw new LibresignException(json_encode([
+		// 		'action' => JSActions::ACTION_REDIRECT,
+		// 		'errors' => [$this->l10n->t('User already exists. Please login.')],
+		// 		'redirect' => $this->urlGenerator->linkToRoute('core.login.showLoginForm', [
+		// 			'redirect_url' => $this->urlGenerator->linkToRoute(
+		// 				'libresign.page.sign',
+		// 				['uuid' => $uuid]
+		// 			),
+		// 		]),
+		// 	]));
+		// }
+		// throw new LibresignException(json_encode([
+		// 	'action' => JSActions::ACTION_CREATE_USER,
+		// 	'settings' => ['accountHash' => md5($email)],
+		// ]));
 	}
 
 	/**