{
  "request": "{account { balance } }",
  "response": {
    "errors": [
      {
        "message": "Validation error of type MissingFieldArgument: Missing field argument address @ 'account'",
        "locations": [
          {
            "line": 1,
            "column": 2
          }
        ],
        "extensions": {
          "classification": "ValidationError"
        }
      }
    ]
  },
  "statusCode": 400
}

