// Request
curl -X GET -H 'Content-Type: application/json' https://froopyland.blockpi.network/rpc/v1/<your-api-key>/check_tx?tx=<the transaction>
// Result
{
"jsonrpc": "2.0",
"result": {
"code": 18,
"codespace": "sdk",
"data": null,
"events": [],
"gas_used": "3155648",
"gas_wanted": "0",
"info": "",
"log": "must contain at least one message: invalid request",
"mempoolError": "",
"priority": "0",
"sender": ""
}
}