public static function updateUser($listid,$email,$status)
    {
    	$data = [
    			'status' => $status
    	];
    	if (!empty($merge_fields)) $data['merge_fields'] = $merge_fields;
    	$action = self::$api_version.'/lists/'.$listid.'/members/'. md5($email);
    
    	return self::send($action, 'PATCH', $data);
    }