Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCslDs6lGa/inpifOc7O6Sisq8PG2WEGvgNMgq4cxsnzBdLWmMKkN0Zosa6… (1,748 chars)"
  }
}