public function requestServerData($uri, $postData = [])
    {
        $result = Http::post($this->createServerUrl($uri), function ($http) use ($postData) {
            $this->applyHttpAttributes($http, $postData);
        });

        if ($result->code == 404) {
            throw new ApplicationException(Lang::get('system::lang.server.response_not_found'));
        }

        if ($result->code != 200) {
            throw new ApplicationException(
                strlen($result->body)
                ? $result->body
                : Lang::get('system::lang.server.response_empty')
            );
        }

        $resultData = false;

        try {
            $resultData = @json_decode($result->body, true);
        }
        catch (Exception $ex) {
            throw new ApplicationException(Lang::get('system::lang.server.response_invalid'));
        }

        if ($resultData === false || (is_string($resultData) && !strlen($resultData))) {
            throw new ApplicationException(Lang::get('system::lang.server.response_invalid'));
        }

        return $resultData;
    }