Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQB6y1g2t9DHUT3hP7uI+VUz57cUbmwA6JL6ekUyLgpK6y/+BBpDYhGC7s82… (1,748 chars)"
  }
}