// Request
curl -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"klay_getBlockByNumber","params":["0x1b4", true],"id":1}' http://klaytn.blockpi.network/v1/rpc/your-api-key
// Result
{
"jsonrpc":"2.0",
"id":1,
"result":{
"baseFeePerGas":"0x0",
"blockscore":"0x1",
"extraData":"0xda83010800846b6c617989676f312e31362e31338664617277696e0000000000f89ed5949712f943b296758aaae79944ec975884188d3a96b841ddfdf7e2cb0a93538f757f87f23a93ee35df703c781c6f15e31e4978ecdfb3501fc00924372b9a01df2bc452f2a924c242d83580183d131c47e49a25b78f625201f843b841b9b6034d5a8c5f5b057274cda4f427614cd1f448ee781f4c4322861d1361d09d47d6030f2b69a26cb426db984f54e71f8c112fbf882930ccd715d595e8d8307500",
"gasUsed":"0x0",
"governanceData":"0x",
"hash":"0xe882d7a16f38126dc0c507f990b3fe18fa2d3a380002538581327abe96ca6edc",
"logsBloom":"0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
"number":"0x1e67",
"parentHash":"0x28b1c054346c3bd083741c757a750dcabf94b6d50c7f87158753544e96e73550",
"receiptsRoot":"0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
"reward":"0x4b2c736fd05c2e2da3ccbd001a395a444f16a861",
"size":"0x272",
"stateRoot":"0xdf9885621c9e6e75912ca94d6987bcb1b54fef0e4a99cbec5e68f1ffc7468a78",
"timestamp":"0x62130beb",
"timestampFoS":"0x0",
"totalBlockScore":"0x1e68",
"transactions":[],
"transactionsRoot":"0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470",
"voteData":"0x"
}
}