Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGZJjxR2knwJ5FRMvqh2Pv1hrHDQEK2PoLjV2yIOa5L5XBszoWBZ8AKghwY… (1,748 chars)"
  }
}