Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHXqmlwlysFZ6DJb4qCwpgi7F9/jbzIYm7F+ynMifesvCU6O3bqk89+6wq2… (1,748 chars)"
  }
}