Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQAN8LgVVO+0vGNRfBjwbylsRK+1WAqZRY+P9sOjDGiX8hLGvUeI1OynjBaB… (1,748 chars)"
  }
}