for (final Map<String, Object> memberOf : memberOfList) {
                    if (logger.isDebugEnabled()) {
                        logger.debug("member: {}", memberOf);
                    }
                    String memberType = (String) memberOf.get("@odata.type");
                    if (memberType == null) {
                        logger.warn("@odata.type is null: {}", memberOf);
                        continue;