cause it is too close to
                         the dust threshold.
     "replaceable"       (boolean, optional, default true) Whether the new transaction should still be
                         marked bip-125 replaceable. If true, the sequence numbers in the transaction will
                         be left unchanged from the original. If false, any input sequence numbers in the
                         original transaction that were less than 0xfffffffe will be increased to 0xfffffffe
                 