Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDxnf7WOPanA3+fZyRi/tyH9kzFYIsr4TraGjC6o1zlt3oIUd6qyuClj6Uc… (1,748 chars)"
  }
}