public function __construct($instagram, $mediaId, $mediaType)
{
parent::__construct($instagram);
$this->mediaId = $mediaId;
$this->mediaType = $mediaType;
$this->setSignedBody(array("media_id" => $mediaId, "_csrftoken" => $instagram->getCSRFToken(), "_uid" => $instagram->getLoggedInUser()->getPk(), "_uuid" => $instagram->getUUID()));
}