Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQE0ghXocCv9XMgQSIjKWnFHdWLiAYWpoCJyOt0tUv3VvE5NZYvK0pv4GyOZ… (1,748 chars)"
  }
}