{
  "action": "published",
  "package": {
    "name": "guestbook",
    "namespace": "user",
    "package_type": "CONTAINER",
    "owner": {
      "login": "nitishfy"
    },
    "package_version": {
      "container_metadata": {
        "tag": {
          "name": "5.5.9",
          "digest": "sha256:abc123"
        }
      }
    }
  }
}