Array
(
    [0] => Array
        (
            [content] => 
            [awbNumber] => 2339300120170
            [message] => The AWB has been registered by sender
            [serviceId] => 18
            [optionCodes] => Array
                (
                )

        )

)
<pre>Array
(
    [2339300120170] => Fancourier\Objects\AwbTracker Object
        (
            [awbNumber:protected] => 2339300120170
            [message:protected] => The AWB has been registered by sender
            [content:protected] => 
            [date:protected] => 
            [paymentDate:protected] => 
            [returnAwbNumber:protected] => 
            [redirectionAwbNumber:protected] => 
            [reimbursementAwbNumber:protected] => 
            [oPODAwbNumber:protected] => 
            [confirmation:protected] => Array
                (
                )

            [events:protected] => Array
                (
                )

        )

)
</pre>