       (string, optional) The txid if the tx replaces one.
  "comment" : "str",                       (string, optional)
  "to" : "str",                            (string, optional) If a comment to is associated with the transaction.
  "time" : xxx,                            (numeric) The transaction time expressed in UNIX epoch time.
  "timereceived" : xxx,                    (numeric) The time received expressed in UNIX epoch time.
  "comment" : "str",                       (string, optional) If a comme