GET /topic/%25D0%259F%25D1%2580%25D0%25B5%25D0%25B4%25D1%2581%25D1%2582%25D0%25B0%25D0%25B2%25D0%25B8%25D1%2582%25D0%25B5%25D0%25BB%25D0%25B8