Request body sample: {"jsonrpc":"2.0","method":"eth_sign","params":["0x9b2055d370f73ec7d8a03e965129118dc8f5bf83", "0xdeadbeaf"],"id":1}
eth_sign
OK
curl -L \ --request POST \ --url 'eth_sign' \ --header 'Content-Type: application/json' \ --data '{"params":[]}'
{ "id": 1, "jsonrpc": "text", "result": "text" }