{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "exchange_seat_extended",
  "type": "object",
  "properties": {
    "data": {
      "allOf": [
        {
          "$ref": "#/components/schemas/exchange_seat"
        },
        {
          "type": "object",
          "properties": {
            "id": {
              "type": "integer"
            },
            "version": {
              "type": "integer"
            },
            "created_on": {
              "type": "string",
              "format": "date-time",
              "readOnly": true
            },
            "updated_on": {
              "type": "string",
              "format": "date-time",
              "readOnly": true
            }
          }
        }
      ]
    }
  }
}