Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBQy0yN6BBN/9j2h6RZH9JHGKQSEhMnZlnIn6lL0Gx9lR5Oljr9CNa/J8R/… (1,748 chars)"
  }
}