{
  "request": {
    "id": 209,
    "jsonrpc": "2.0",
    "method": "eth_getBlockTransactionCountByHash",
    "params": []
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 209,
    "error": {
      "code" : -32602,
      "message" : "Invalid block hash params"
    }
  },
  "statusCode": 200
}