diff --git a/app/src/api/clientApi.ts b/app/src/api/clientApi.ts
index add8b33..68042e9 100644
--- a/app/src/api/clientApi.ts
+++ b/app/src/api/clientApi.ts
@@ -20,8 +20,7 @@ export interface GetProposalMessagesResponse {
 export interface SendProposalMessageRequest {
   // proposalId: String;
   proposal_id: String;
-  author: String;
-  text: String;
+  message: Message;
 }
 
 export interface SendProposalMessageResponse {
@@ -46,7 +45,7 @@ export interface ApproveProposalResponse {
 
 export enum ClientMethod {
   GET_PROPOSAL_MESSAGES = 'get_proposal_messages',
-  SEND_PROPOSAL_MESSAGE = 'send_proposal_message',
+  SEND_PROPOSAL_MESSAGE = 'send_proposal_messages',
   CREATE_PROPOSAL_MESSAGES = 'create_new_proposal',
   APPROVE_PROPOSAL_MESSAGE = 'approve_proposal',
 }
diff --git a/app/src/api/dataSource/LogicApiDataSource.ts b/app/src/api/dataSource/LogicApiDataSource.ts
index 49c54b9..4f20459 100644
--- a/app/src/api/dataSource/LogicApiDataSource.ts
+++ b/app/src/api/dataSource/LogicApiDataSource.ts
@@ -181,7 +181,7 @@ export class LogicApiDataSource implements ClientApi {
       return { error };
     }
 
-    const response = await getJsonRpcClient().mutate<
+    const response = await getJsonRpcClient().execute<
       SendProposalMessageRequest,
       SendProposalMessageResponse
     >(
diff --git a/app/src/pages/home/index.tsx b/app/src/pages/home/index.tsx
index b381b3d..bd783a2 100644
--- a/app/src/pages/home/index.tsx
+++ b/app/src/pages/home/index.tsx
@@ -21,6 +21,7 @@ import {
 import { getStorageApplicationId } from '../../utils/node';
 import {
   clearApplicationId,
+  getJWTObject,
   getStorageExecutorPublicKey,
 } from '../../utils/storage';
 import { useNavigate } from 'react-router-dom';
@@ -186,11 +187,16 @@ export default function HomePage() {
   async function sendProposalMessage(request: SendProposalMessageRequest) {
     const params: SendProposalMessageRequest = {
       proposal_id: request.proposal_id,
-      author: request.author,
-      text: request.text,
+      message: {
+        id: request.message.id,
+        proposal_id: request.proposal_id,
+        author: request.message.author,
+        text: request.message.text,
+        created_at: new Date().toISOString(),
+      },
     };
-    const result: ResponseData<GetProposalMessagesResponse> =
-      await new LogicApiDataSource().getProposalMessages(params);
+    const result: ResponseData<SendProposalMessageResponse> =
+      await new LogicApiDataSource().sendProposalMessage(params);
     if (result?.error) {
       console.error('Error:', result.error);
       window.alert(`${result.error.message}`);
@@ -401,8 +407,13 @@ export default function HomePage() {
                 onClick={() => {
                   sendProposalMessage({
                     proposal_id: selectedProposal.id,
-                    author: getStorageExecutorPublicKey(),
-                    text: 'test' + Math.random(),
+                    message: {
+                      id: 'test' + Math.random(),
+                      proposal_id: selectedProposal.id,
+                      author: getJWTObject()?.executor_public_key,
+                      text: 'test' + Math.random(),
+                      created_at: new Date().toISOString(),
+                    },
                   } as SendProposalMessageRequest);
                 }}
               >