Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKFJjKHEtZMvhgN82fAga/GvAO5aw4IBHH8F9Mg7eSP+hh68kkXQ2MDyksQ… (844 chars)"
  }
}