Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwDxyP587lJnPT0HfRZ+VtIwcgRWlBkQHRtv1icy+M3MYmKJ5rESWGBC2Cz3… (844 chars)"
  }
}