Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH8+6vJ+fqvFcjzHm+Y98rvS5MacD5sZ/6c3Wt65F1QDwYjBYZU86T1iLIO… (844 chars)"
  }
}