Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCr5KqH0HtxPGvrpdBfIiQz7nFnUc3lqICGWmFsZ9gY8nMWsN3cQ+AA78XC… (1,748 chars)"
  }
}