Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHYEBNTb84Kl6+TSFapC/qZhyYWtqrVVWmqvU+l6L4MyCE/Fyd1HhY0P0GA… (844 chars)"
  }
}