public function getCurrentUserStructureAction(Request $request)
    {
        $ret = [
          "meta_fields" => $this->listUserAuthorizedMetadataFields($this->getAuthenticatedUser()),
          "aggregable_fields" => $this->buildUserFieldList(ElasticsearchOptions::getAggregableTechnicalFields(), ['choices']),
          "technical_fields" => $this->buildUserFieldList(media_subdef::getTechnicalFieldsList()),
        ];

        return Result::create($request, $ret)->createResponse();
    }