Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCRqpAvj9SVIVcD/UejIH8PlfeTQXKdYgDt81IIWnM4QmNWZF42W3Uc1azf… (1,748 chars)"
  }
}