Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQDB8fXFI6xPiOU03gFELlpJsZtj3lbOLtBhbiIq1W1ZNk9keZhgf4SUVF3+… (1,748 chars)"
  }
}