Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB/tJmzzn/9cNVkyl7qasJOuGjAGD0yDU7xCNdUb5Kx6C7U4UMoM6d6RU7e… (1,748 chars)"
  }
}