GET /topic/%40/%23%D8%A7%D9%84%D9%84%D9%8A_%D8%A8%D8%AE%D8%A7%D8%B7%D8%B1%D9%83%D9%85_%D9%87%D8%A7%D8%AA%D9%88%D9%87_%D8%A7%D9%84%D9%84%D9%8A%D9%84%D9%87