"factory_key": "envoy.string"
                                }
                              ]
                            }
                          },
                          {
                            "name": "envoy.filters.http.router",
                            "typed_config": {
                              "@type": "type.googleapis.com/envoy.extensions.filters.http.router.v3.Router"

{
    "configs": [
        {
            "@type": "type.googleapis.com/envoy.admin.v3.EndpointsConfigDump",
            "static_endpoint_configs": [
                {
                    "endpoint_config": {
                        "@type": "type.googleapis.com/envoy.config.endpoint.v3.ClusterLoadAssignment",
                        "cluster_name": "zipkin",
                        "policy": {
                            "overprovisioning_factor": 140