Sui Keytool Sign Help

Create signature using the private key for the given address (or its alias) in sui keystore. Any
signature commits to a [struct IntentMessage] consisting of the Base64 encoded of the BCS serialized
transaction bytes itself and its intent. If intent is absent, default will be used

Usage: sui keytool sign [OPTIONS] --address <ADDRESS> --data <DATA>

Options:
      --address <ADDRESS>  
      --data <DATA>        
      --json               Return command outputs in json format
      --intent <INTENT>    
  -q, --quiet              Display less output
  -h, --help               Print help
  -V, --version            Print version