rpc: Fix getblocktemplate CLI example (#16594)
rpc: Fix getblocktemplate CLI example (#16594)

Former-commit-id: 7b161f1f4665eeafa0111ed95201205667f63a71
syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2,syscoin/syscoin2