code: public ApiSuccessResponse unsubscribeTopic(UnsubscribeTopicData unsubscribeTopicData) throws ApiException {
          ApiResponse<ApiSuccessResponse> resp = unsubscribeTopicWithHttpInfo(unsubscribeTopicData);
          return resp.getData();
      }
docs: unsubscribe to receive user events regarding specific topic(s).
  unsubscribe to receive user events regarding specific topic(s) from interaction server.
  @param unsubscribeTopicData  (required)
  @return ApiSuccessResponse
  @throws ApiException If fail to call the API, e.g. server error or cannot deserialize the response body