{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "title": "contract_base_response",
  "type": "object",
  "allOf": [
    {
      "type": "object",
      "properties": {
        "id": {
          "type": "integer",
          "format": "int32",
          "example": 4
        },
        "version": {
          "type": "integer",
          "format": "int32",
          "example": 44
        }
      }
    },
    {
      "$ref": "#/components/schemas/contract_base"
    }
  ]
}