if err != nil {
		log.Error(err.Error())
		return ""
	}
	return string(b)
}

// marshalMetadata combines type metadata and untyped metadata and marshals to json
// This allows passing arbitrary metadata to Envoy, while still supported typed metadata for known types
func marshalMetadata(metadata *model.BootstrapNodeMetadata, rawMeta map[string]any) (string, error) {
	b, err := json.Marshal(metadata)