actions
2. transactions            (json array, optional, default=[]) The transaction outputs and within each, the txid (string) vout (numeric).
     [
       {                   (json object)
         "txid": "hex",    (string, required) The transaction id
         "vout": n,        (numeric, required) The output number
       },
       ...
     ]
3. persistent              (boolean, optional, default=false) Whether to write/erase this lock in the wallet database, or keep the change in memory only. Ignored