Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQCmcgKt1LUMHsD5yy8btgIAaenX8TXUw4b5VAzn1xfqfzEKJ4hOUu2EKfpI… (1,748 chars)"
  }
}