Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAmh5d1yD7NNGxncGjFxEOPvJlQYDlXvJF5nVVoyWu5dwqb9uQSCPlTSBRV… (1,748 chars)"
  }
}