public UserFacebookEntity save(UserFacebookEntity entity, Long userId) {
    try {
      System.out.println("Save or update facebook data");
      entity.setId(
          CommonUtils.longValue(
              MongoCoreService.getNextId(mongoCoreService.getDatabase(), "fbSeqGen")));
      entity.setUserId(userId);
      entity.setRegisteredDate(new Date(System.currentTimeMillis()));
      DBObject dbObject = Converter.toDBObject(entity);
      WriteResult result =
          mongoCoreService.getFacebookCollection().save(dbObject, WriteConcern.SAFE);

    } catch (Exception e) {
      e.printStackTrace();
    }
    return entity;
  }