Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFbTSuPexRSiuY3cEgy7tMFJTM8MazREJbUdv7sC1mK2Wk+O4M3qfJoXQVB… (844 chars)"
  }
}