                                    'send' category of transactions.
      "abandoned" : true|false,            (boolean, optional) 'true' if the transaction has been abandoned (inputs are respendable). Only available for the 
                                           'send' category of transactions.
      "parent_descs" : [                   (json array, optional) Only if 'category' is 'received'. List of parent descriptors for the scriptPubKey of this coin.
        "str",                             (str