public function getLeads($filters = [], $prop = '$last_seen', $order = 'desc', $limit = 20, $offset = 0)
    {
        $params = [
            'filters' => $filters,
            'sort_prop' => $prop,
            'sort_order' => $order,
            'limit' => $limit,
            'offset' => $offset
        ];

        $data = $this->call('apps/' . $this->appId . '/users', $params, 'get');

        $array = [];
        if ($data['users']) {
            foreach ($data['users'] as $msg) {
                $array[] = User::fromResponse($msg);
            }
        }

        return $array;
    }