essed in UNIX epoch time.
  "txid" : "hex",                          (string) The transaction id.
  "wtxid" : "hex",                         (string) The hash of serialized transaction, including witness data.
  "walletconflicts" : [                    (json array) Conflicting transaction ids.
    "hex",                                 (string) The transaction id.
    ...
  ],
  "replaced_by_txid" : "hex",              (string, optional) The txid if this tx was replaced.
  "replaces_txid" : "hex",          