Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwHftaMJLNQ7owMVuHKcTQt2dHWSRtKyb2R7jJAYXKoTIQ5/8OqvzKjMKKNJ… (844 chars)"
  }
}