curl --location -g --request PUT 'http://127.0.0.1:8848/nacos/v1/ns/instance/metadata/batch?namespaceId=public&serviceName=xxx@xxx&metadata={{metadata}}'{
"updated": [
"2.2.2.2:8080:unknown:xxxx-cluster:ephemeral",
"3.3.3.3:8080:unknown:xxxx-cluster:ephemeral"
]
}