Array
(
    [success] => 1
    [message] => Bulk SMS processed: 1 sent, 0 failed
    [summary] => Array
        (
            [total] => 1
            [success] => 1
            [failed] => 0
            [total_cost] => 1.35
            [remaining_balance] => 195.3
        )

    [results] => Array
        (
            [0] => Array
                (
                    [index] => 0
                    [phone] => 258845219540
                    [success] => 1
                    [message_id] => Mzg1NzEzfDE3ODUyOTEzNDB8NDcyNQ==
                    [segments] => 1
                    [cost] => 1.35
                )

        )

)