Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQD676x/wGdUfQFU+TseS+E8PByR4wszZ8CYnRHw9/PrVV5Gl7o1pnfL14ai… (1,748 chars)"
  }
}