Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQGnoL8dk/PkG3++XUIKOn6Y5v30BFXVY3FeV/XDUU+m5XkQYn5/EzF0k9ko… (1,748 chars)"
  }
}