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  public void create(UserHolder userHolder) {
    EntityManager em = entityManagerFactory.getEntityManager(CassandraService.MANAGEMENT_APPLICATION_ID);
    try {
      User user = em.create(userHolder.getUser());
      UserInfo userInfo = managementService.createAdminFrom(user, userHolder.getPassword(), false);
      OrganizationInfo orgInfo = managementService.createOrganization(userInfo.getUsername() + "-org", userInfo);
      managementService.activateOrganization(orgInfo.getUuid());
    } catch (Exception ex) {
      ex.printStackTrace();
    }