GET /topic/%40/%23%E0%A4%AF%E0%A5%81%E0%A4%B5%E0%A4%B0%E0%A4%BE%E0%A4%9C_%E0%A4%B8%E0%A4%BF%E0%A4%82%E0%A4%B9_%E0%A4%AE%E0%A4%BE%E0%A4%AB%E0%A5%80_%E0%A4%AE%E0%A4%BE%E0%A4%82%E0%A4%97%E0%A5%8B