GET /topic/%2523%25e3%2583%25aa%25e3%2582%25a2%25e5%2585%2585%25e8%25a6%258b%25e3%2581%259f%25e6%2599%2582%25e3%2581%25ae%25e9%25a1%2594%25e6%2599%2592%25e3%2581%259b