json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "kind": {
              "type": "string",
              "default": "notification",
              "readonly": "true",
              "description": "Defines that the message is a response"
          },
          "type": {
              "description": "Contains one of the APIs notification type names",
              "type": "string"
          },
          "body": {}
      },
      "required": [
          "kind",
          "type",
          "body"
      ]
  }