"name": "istio.metadata_exchange",
              "typed_config": {
               "@type": "type.googleapis.com/envoy.extensions.filters.http.wasm.v3.Wasm",
               "config": {
                "vm_config": {
                 "runtime": "envoy.wasm.runtime.null",
                 "code": {
                  "local": {
                   "inline_string": "envoy.wasm.metadata_exchange"
                  }