GET /topic/%23%EC%A0%80_%ED%83%90%EB%9D%BC%EC%97%90_%EB%B3%B4%EC%9D%B4%EB%8A%94%EB%8D%B0_%ED%8C%94%EB%A1%9C%EC%9A%B0%ED%95%98%EA%B8%B0%EA%B0%80_%EB%91%90%EB%A0%A4%EC%9B%8C%EC%84%9C_%ED%8C%94%EB%A1%9C%EC%9A%B0_%EB%AA%BB%ED%95%98%EC%8B%A0%EB%B6%84