"value": 1
             },
             "overall_sampling": {
              "value": 100
             },
             "custom_tags": [
              {
               "tag": "istio.authorization.dry_run.allow_policy.name",
               "metadata": {
                "kind": {
                 "request": {}
                },
                "metadata_key": {
                 "key": "envoy.filters.http.rbac",