Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEKdUB02LuTCSPMzC5oogadAWaDuDGCzd1IoTzZ/OC7DhWk9nob7qf+6C45… (1,748 chars)"
  }
}