// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"klay_getCode","params":["0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b", "0x2"],"id":1}' http://klaytn.blockpi.network/v1/rpc/your-api-key
// Result
{
"jsonrpc": "2.0",
"id":1,
"result": "0x600160008035811a818181146012578301005b601b6001356025565b8060005260206000f25b600060078202905091905056"
}