{
  "type": "object",
  "required": [
    "header",
    "endpoint"
  ],
  "properties": {
    "header": {
      "$ref": "/v2-header"
    },
    "endpoint": {
      "allOf": [
        {
          "$ref": "/v2-endpoint"
        },
        {
          "type": "object",
          "required": [
            "endpointId",
            "states"
          ]
        }
      ]
    },
    "payload": {
      "anyOf": [
        {
          "type": "object"
        },
        {
          "type": "object",
          "properties": {
            "name": {
              "type": "string"
            },
            "message": {
              "type": "string"
            }
          }
        }
      ]
    }
  }
}