Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQA/fUd60BhK7Qb3/ddxqMQh5nQxwjnYIAH28NyyovYqxwUBKB4CzpbmbyaT… (1,748 chars)"
  }
}