Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDMvvPytRDpJWRY2ceBopYRxL2BmjAAlmEA9ESuLIwrh0skzGdH+imRGof/… (1,748 chars)"
  }
}