Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDKqMn7VWfeQtZP567Fo7TlEDJRGYyfJg4ON4v43Bl0jwJX1UX6JcF7Igqr… (1,748 chars)"
  }
}