GET /topic/%23%E0%A4%B9%E0%A4%AE_%E0%A4%AC%E0%A4%B9%E0%A5%81%E0%A4%9C%E0%A4%A8_%E0%A4%AE%E0%A5%82%E0%A4%B2%E0%A4%A8%E0%A4%BF%E0%A4%B5%E0%A4%BE%E0%A4%B8%E0%A5%80