GET /topic/%23%E0%AE%AA%E0%AF%8B%E0%AE%B8%E0%AF%8D%E0%AE%9F%E0%AE%B0%E0%AF%8D%E0%AE%AA%E0%AE%B4%E0%AE%A9%E0%AE%BF%E0%AE%9A%E0%AF%8D%E0%AE%9A%E0%AE%BE%E0%AE%AE%E0%AE%BF