appendJson("access-type", entity.getAccessType(), buf).append(',');
                    appendJson("query-time", entity.getQueryTime(), buf).append(',');
                    appendJson("response-time", entity.getResponseTime(), buf).append(',');
                    appendJson("requested-at", entity.getRequestedAt(), buf).append(',');
                    final Map<String, List<String>> searchFieldMap = entity.getSearchFieldLogList()