diff --git a/openIt/jsonld-contexts/openIt-compound.jsonld b/openIt/jsonld-contexts/openIt-compound.jsonld
new file mode 100644
index 0000000..06b1327
--- /dev/null
+++ b/openIt/jsonld-contexts/openIt-compound.jsonld
@@ -0,0 +1,9 @@
+{
+  "@context": [
+    "https://easy-global-market.github.io/ngsild-api-data-models/openIt/jsonld-contexts/openIt.jsonld",
+    "https://easy-global-market.github.io/ngsild-api-data-models/user/user.jsonld",
+    "https://easy-global-market.github.io/ngsild-api-data-models/device/jsonld-contexts/device.jsonld",
+    "https://easy-global-market.github.io/ngsild-api-data-models/authorization/jsonld-contexts/authorization.jsonld",
+    "https://uri.etsi.org/ngsi-ld/v1/ngsi-ld-core-context-v1.8.jsonld"
+  ]
+}
diff --git a/openIt/jsonld-contexts/openIt.jsonld b/openIt/jsonld-contexts/openIt.jsonld
new file mode 100644
index 0000000..b97ea78
--- /dev/null
+++ b/openIt/jsonld-contexts/openIt.jsonld
@@ -0,0 +1,16 @@
+{
+  "@context": {
+    "Authorization": "https://vocab.egm.io/Authorization",
+    "Gate": "https://vocab.egm.io/Gate",
+    "Key": "https://vocab.egm.io/Key",
+    "codes": "https://vocab.egm.io/codes",
+    "from": "https://vocab.egm.io/from",
+    "initDate": "https://vocab.egm.io/initDate",
+    "name": "https://schema.org/name",
+    "rotationPeriod": "https://vocab.egm.io/rotationPeriod",
+    "to": "https://vocab.egm.io/to",
+    "validationStatus": "https://vocab.egm.io/validationStatus",
+    "validityEndDate": "https://vocab.egm.io/validityEndDate",
+    "validityStartDate": "https://vocab.egm.io/validityStartDate"
+  }
+}
diff --git a/openIt/ngsild-payloads/authorization.jsonld b/openIt/ngsild-payloads/authorization.jsonld
new file mode 100644
index 0000000..05ffe21
--- /dev/null
+++ b/openIt/ngsild-payloads/authorization.jsonld
@@ -0,0 +1,57 @@
+{
+  "id": "urn:ngsi-ld:Authorization:01",
+  "type": "Authorization",
+  "validationStatus": {
+    "type": "Property",
+    "value": "accepted",
+    "from": {
+      "type": "Property",
+      "value": "2024-09-01T11:00:00.000Z"
+    },
+    "to": {
+      "type": "Property",
+      "value": "2024-09-02T11:00:00.000Z"
+    }
+  },
+  "codes": [
+    {
+      "type": "Property",
+      "value": "1234",
+      "datasetId": "urn:ngsi-ld:Dataset:1234",
+      "validityStartDate": {
+        "type": "Property",
+        "value": "2024-09-01T11:00:00.000Z"
+      },
+      "validityEndDate": {
+        "type": "Property",
+        "value": "2024-09-02T11:00:00.000Z"
+      }
+    },
+    {
+      "type": "Property",
+      "value": "8931",
+      "datasetId": "urn:ngsi-ld:Dataset:8931",
+      "validityStartDate": {
+        "type": "Property",
+        "value": "2024-08-30T11:00:00.000Z"
+      },
+      "validityEndDate": {
+        "type": "Property",
+        "value": "2024-08-31T11:00:00.000Z"
+      }
+    },
+    {
+      "type": "Property",
+      "value": "3910",
+      "datasetId": "urn:ngsi-ld:Dataset:3910",
+      "validityStartDate": {
+        "type": "Property",
+        "value": "2024-08-29T11:00:00.000Z"
+      },
+      "validityEndDate": {
+        "type": "Property",
+        "value": "2024-08-30T11:00:00.000Z"
+      }
+    }
+  ]
+}
diff --git a/openIt/ngsild-payloads/gate.jsonld b/openIt/ngsild-payloads/gate.jsonld
new file mode 100644
index 0000000..155af41
--- /dev/null
+++ b/openIt/ngsild-payloads/gate.jsonld
@@ -0,0 +1,18 @@
+{
+  "id": "urn:ngsi-ld:Gate:AwesomeGateName",
+  "type": "Gate",
+  "name": {
+    "type": "Property",
+    "value": "AwesomeGateName"
+  },
+  "location": {
+    "type": "GeoProperty",
+    "value": {
+      "type": "Point",
+      "coordinates": [
+        1.5,
+        1.5
+      ]
+    }
+  }
+}
diff --git a/openIt/ngsild-payloads/key.jsonld b/openIt/ngsild-payloads/key.jsonld
new file mode 100644
index 0000000..1417504
--- /dev/null
+++ b/openIt/ngsild-payloads/key.jsonld
@@ -0,0 +1,16 @@
+{
+  "id": "urn:ngsi-ld:Key:AwesomeKeyName",
+  "type": "Key",
+  "name": {
+    "type": "Property",
+    "value": "AwesomeKeyName"
+  },
+  "rotationPeriod": {
+    "type": "Property",
+    "value": "P1D"
+  },
+  "initDate": {
+    "type": "Property",
+    "value": "2024-09-02T11:00:00.000Z"
+  }
+}
diff --git a/user/user.jsonld b/user/user.jsonld
index 88d8628..3fce512 100644
--- a/user/user.jsonld
+++ b/user/user.jsonld
@@ -1,7 +1,7 @@
 {
-    "@context": {
-        "UserProfile": "https://smartdatamodels.org/UserProfile",
-        "subcribedToAlerts": "https://vocab.egm.io/subcribedToAlerts",
-        "userInfos": "https://vocab.egm.io/userInfos"
-    }
+  "@context": {
+    "UserProfile": "https://smartdatamodels.org/UserProfile",
+    "subscribedToAlerts": "https://vocab.egm.io/subscribedToAlerts",
+    "userInfos": "https://vocab.egm.io/userInfos"
+  }
 }