                      If false, only non-witness deserialization will be tried.
                                      This boolean should reflect whether the transaction has inputs
                                      (e.g. fully valid, or on-chain transactions), if known by the caller.

Result:
{
  "hex":       "value", (string)  The resulting raw transaction (hex-encoded string)
  "fee":       n,         (numeric) Fee in BTC the resulting transaction pays
  "changepos": n          (numeric) The position 