Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwH/nPZdl7XFkQs9eHY+9LQUU+HoYIG4NfoMspUGCt0n/VIJrn7Hip+A0Wr/… (844 chars)"
  }
}