Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH6XSa6nYnneO8qP2c7GUg3zYMeEEz3fEzISA9ZTgP+/SJ0iETYEtshoPiW… (844 chars)"
  }
}