Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwBIAhG0o+xkddaic7S+6pd/vk5FxUVhEgGS3bP8ZyZ0rW/kEAAX0PVcbsX6… (844 chars)"
  }
}