Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDIas++8HKxkNL7aL+bsP3J2xDIcjrmi4bY9GX8Z73OGT2Ij3Z8jyMQB8c8… (1,748 chars)"
  }
}