{
  "request": {
    "id": 2,
    "jsonrpc": "2.0",
    "method": "eth_getFilterChanges",
    "params": ["0x00FFFFFFFFFFFFFFFF"]
  },
  "response": {
    "jsonrpc": "2.0",
    "id": 2,
    "error" : {
      "code" : -32000,
      "message" : "Filter not found"
    }
  },
  "statusCode": 200
}