Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBNdU9nNPeD+1c/4CvDkjPhdUs8s7JWfvCyMA+DwHDT+0pKSrXoPq4SlJhp… (1,748 chars)"
  }
}