{
  "request": "{ pending { account { balance } } }",
  "response": {
    "errors": [
      {
        "message": "Validation error (MissingFieldArgument@[pending/account]) : Missing field argument 'address'",
        "locations": [
          {
            "line": 1,
            "column": 13
          }
        ],
        "extensions": {
          "classification": "ValidationError"
        }
      }
    ]
  },
  "statusCode": 400
}

