GET /topic/%25e0%25b8%2594%25e0%25b8%25a3%25e0%25b8%25b5%25e0%25b8%25a1%25e0%25b9%2580%25e0%25b8%25a7%25e0%25b8%25b4%25e0%25b8%25a5%25e0%25b8%2594%25e0%25b9%258c