GET /topic/%23%D0%A4%D0%B8%D0%BA%D0%B1%D1%83%D0%BA%D0%A4%D0%BE%D0%BB%D0%BB%D0%BE%D0%B2%D0%B8%D1%82%D0%9E%D1%84%D0%BE%D1%80%D0%BC%D1%83