Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwAH6uKo0AZxfIU1sEbZAT0HcxY9Yd34SRjZMBhUj27P8wKkYldEPS+SzNtX… (844 chars)"
  }
}