I have followed this thread this https://developer.vuforia.com/forum/cloud-recognition/how-get-number-recos-target-using-vws-api and i tried to get the number of recos but i didn't get the returned response, below is the response 

stdClass Object
(
    [result_code] => Success
    [transaction_id] => ba054fe5eaca4f3fa8942535e56d313f
    [target_record] => stdClass Object
        (
            [target_id] => 16b15dafc20a49d3bf9e3b7f30f67b03
            [active_flag] => 1
            [name] => video
            [width] => 500
            [tracking_rating] => 5
            [reco_rating] => 
        )

    [status] => success
)