{
  "request": "{block (number: 88888888) {number }} ",
  "response": {
    "data": null,
    "errors": [
      {
        "message": "Exception while fetching data (/block) : Block number 88888888 was not found",
        "locations": [
          {
            "line": 1,
            "column": 2
          }
        ],
        "path": [
          "block"
        ]
      }
    ]
  },
  "statusCode": 400
}