GET /topic/%40/%238%E0%A4%A6%E0%A4%BF%E0%A4%B8%E0%A4%AE%E0%A5%8D%E0%A4%AC%E0%A4%B0_%E0%A4%AD%E0%A4%BE%E0%A4%B0%E0%A4%A4_%E0%A4%AC%E0%A4%A8%E0%A5%8D%E0%A4%A6