 (boolean, optional) Marks this transaction as BIP125 replaceable.
                              Allows this transaction to be replaced by a transaction with higher fees
     "conf_target"            (numeric, optional) Confirmation target (in blocks)
     "estimate_mode"          (string, optional, default=UNSET) The fee estimate mode, must be one of:
         "UNSET"
         "ECONOMICAL"
         "CONSERVATIVE"
   }
5. bip32derivs                    (boolean, optional, default=false) If true, includes th