Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFG4/7UPR3jIv6rHOzpSvDDCvfKxHYR/ch4yUy9HPRgcwlsPyM0yrW0xMwy… (1,748 chars)"
  }
}