{
  "properties": {
    "data": {
      "description": "Content of the notification. List of entities with modified attributes.",
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "id": {
            "type": "string",
            "required": true
          },
          "additionalProperties":{
            "type": "object",
            "properties": {
              "type":{
                "type": "string",
                "required": true
              },
              "value":{
                "type": "string",
                "required": true
              }
            }                
          }
        }
      },
      "required": true
    },
    "subscriptionId": {
      "type": "string",
      "required": true
    }
  }
}