Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAtg/VFO2/12aRb0gwtYbXPEw8ZT3Zo0oAz43+gH8B3BUg9JLf8TMEpdwlW… (1,748 chars)"
  }
}