Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBfMTit7C80Xu0aQuhZHLF/XgkCrW+hudVUv9qpd6tH3yAQRPvbwQB7YwMB… (1,748 chars)"
  }
}