Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCjxB31QZZJvh6Yg7h6zePiZIMvzh1ST1K2jF94GIEVP0z7QRlXw7Wd/bM8… (1,748 chars)"
  }
}