       (numeric) DEPRECATED. Identical to getbalances().mine.trusted
  "unconfirmed_balance" : n,              (numeric) DEPRECATED. Identical to getbalances().mine.untrusted_pending
  "immature_balance" : n,                 (numeric) DEPRECATED. Identical to getbalances().mine.immature
  "txcount" : n,                          (numeric) the total number of transactions in the wallet
  "keypoololdest" : xxx,                  (numeric, optional) the UNIX epoch time of the oldest pre-generated key in the key 