Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCzIUObFystq+OgFOHovA5+atw7bG+F6IsiAl5X+hKimhG/MDFcAA8Vj6hY… (1,748 chars)"
  }
}