ipt type, eg. 'sh(wsh(multi(k)))'
            sorted - boolean, whether bip67 key sorting is applied
            threshold - int, number of signers required,N
            master_blinding_key - 32-bytes, any liquid master blinding key for this wallet
            signers - dict containing keys:
                fingerprint - 4 bytes, origin fingerprint
                derivation - [int], bip32 path from origin to signer xpub provided
                xpub - str, base58 xpub of signer
                path - [int], any fixed path to always apply after the xpub - usually empty.

)