Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDM5AdpDJo5ffjjwr0cjbm6JCSrS8EY14cvlc+RyUvi03xKMdNuU4YKKhbN… (1,748 chars)"
  }
}