{
  "request": {
    "id": 13,
    "jsonrpc": "2.0",
    "method": "eth_getCode",
    "params": [
      "0x6295ee1b4f6dd65047762f924ecd367c17eabf8f",
      "-0x10"
    ]
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 13,
    "error": {
      "code": -32602,
      "message": "Invalid block number params"
    }
  },
  "statusCode": 200
}