Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH7F+0Oey/1/uGpnu7nBubBwn4lUY3LJZDtIEiXDeiyRgk7uuVJL9NB9Qri… (844 chars)"
  }
}