GET /topic/%40/%23%E0%A4%95%E0%A4%BE%E0%A4%82%E0%A4%97%E0%A5%8D%E0%A4%B0%E0%A5%87%E0%A4%B8_%E0%A4%A6%E0%A5%87_%E0%A4%A8%E0%A4%BE%E0%A4%B2_%E0%A4%AA%E0%A4%82%E0%A4%9C%E0%A4%BE%E0%A4%AC