JSON Schema for Entity. First version

schema/Entity.json

+{
+  "$schema": "http://json-schema.org/schema#",
+  "id": "https://uri.etsi.org/ngsi-ld/schema/Entity.json",
+  "title": "NGSI-LD Entity",
+  "description": "NGSI-LD Entity",
+  "definitions": {
+    "Commons": {
+      "type": "object",
+      "properties": {
+        "observedAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "createdAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "modifiedAt": {
+          "type": "string",
+          "format": "date-time"
+        },
+        "datesetId": {
+          "type": "string",
+          "format": "uri"
+        },
+        "instanceId": {
+          "type": "string",
+          "format": "uri"
+        }
+      }
+    },
+    "Property": {
+      "allOf": [
+        {
+          "$ref": "#/definitions/Commons"
+        },
+        {
+          "type": "object",
+          "properties": {
+            "type": {
+              "type": "string",
+              "const": "Property"
+            },
+            "value": {
+              "type": "any"
+            }
+          },
+          "required": [
+            "type",
+            "value"
+          ],
+          "additionalProperties": {
+            "$ref": "#/definitions/Property"
+          }
+        }
+      ]
+    }
+  },
+  "type": "object",
+  "properties": {
+    "id": {
+      "type": "string",
+      "format": "uri"
+    },
+    "type": {
+      "type": "string",
+      "description": "NGSI Entity type"
+    }
+  },
+  "required": [
+    "id",
+    "type"
+  ],
+  "additionalProperties": {
+    "$ref": "#/definitions/Property"
+  }
+}

schema/README.md

+# NGSI-LD API JSON Schema
+
+This folder contains JSON Schemas for the NGSI-LD API.
+
+Schemas have been developed using Draft07 of JSON Schema. 
+https://json-schema.org/latest/json-schema-validation.html
+
+Schemas have been validated using 
+
+https://www.jsonschemavalidator.net/