o sign the transaction when updating (requires wallet to be unlocked)
3. sighashtype    (string, optional, default="DEFAULT for Taproot, ALL otherwise") The signature hash type to sign with if not specified by the PSBT. Must be one of
                  "DEFAULT"
                  "ALL"
                  "NONE"
                  "SINGLE"
                  "ALL|ANYONECANPAY"
                  "NONE|ANYONECANPAY"
                  "SINGLE|ANYONECANPAY"
4. bip32derivs    (boolean, optional, default=true) Includ