Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQBD+H+qrYonjPgqL9b9Zk0aGtUzuFs2DGXBYLdm/XNqw3vXsKEPwVKYIB/5… (1,748 chars)"
  }
}