Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDWT0ZmP4sj/fChx0L7Ds9cPNfqsAY8S/EDY8/d6d93bUCBMB5tWzv94Ayx… (1,748 chars)"
  }
}