def get_json_for_registrations
          hash                                = controller_as_json(@roster_user)
          community_hash                      = controller_as_json(@community)
          hash['cnc/logistics/roster_users']  = [hash.delete('cnc/logistics/roster_user')]
          hash['cnc/communities/communities'] = [community_hash.delete('cnc/communities/community')]
          hash
        end