Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwG0bDtBqd9dcLDdaLvvmKlHT9aKZ2F5IjOwDlNakRiT4S1Dx6MDf1ryjMqq… (844 chars)"
  }
}