http://btcexpz7xlwrqknqw6p3bok6shf73qtkd6zxct4x4qta2ktvh7ntprad.onion/rpc-browser?method=walletprocesspsbt
Arguments:
1. psbt (string, required) The transaction base64 string
2. sign (boolean, optional, default=true) Also 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 " "...