{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "personal_sign",
  "params": [
    "0x48656c6c6f2c20576f726c6421",
    "0xd46e8dd67c5d32be8058bb8eb970870f07244567"
  ]
}

{
  "id": 1,
  "jsonrpc": "2.0",
  "result": "0x30755ed65396facf86c53e6217c52b4daebe72aa4941d89635409de4c9c7a9466d0e6928a2e2d2e8f8e8c8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e8e"
}