GET /topic/%40/%23%D8%A3%D9%85%D8%A7%D9%86%D8%A9_%D8%A7%D9%84%D9%85%D9%86%D8%B7%D9%82%D8%A9_%D8%A7%D9%84%D8%B4%D8%B1%D9%82%D9%8A%D8%A9