) Specify a fee rate in sat/vB.
include_watching           (boolean, optional, default=true for watch-only wallets, otherwise false) Also select inputs which are watch-only.
                           Only solvable inputs can be used. Watch-only destinations are solvable if the public key and/or output script was imported,
                           e.g. with 'importpubkey' or 'importmulti' with the 'pubkeys' or 'desc' field.
inputs                     (json array, optional, default=[]) Use exactly the spec