Entity now is a definition

schema/Entity.json

@@ -20,7 +20,13 @@
           "const": "Property"
         },
         "value": {
-          "type": ["string","number","boolean","array","object"]
+          "type": [
+            "string",
+            "number",
+            "boolean",
+            "array",
+            "object"
+          ]
         },
         "observedAt": {
           "$ref": "https://forge.etsi.org/gitlab/NGSI-LD/NGSI-LD/raw/master/schema/common.json#/definitions/observedAt"
@@ -135,8 +141,8 @@
           }
         ]
       }
-    }
     },
+    "Entity": {
       "type": "object",
       "properties": {
         "id": {
@@ -186,4 +192,11 @@
         "type": "string",
         "pattern": "^((\\d|[a-zA-Z]|_)+(#\\d+)?)$|^(@context)$"
       }
+    }
+  },
+    "allOf": [
+      {
+        "$ref": "#/definitions/Entity"
+      }
+    ]
 }
\ No newline at end of file