Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDYyRMwEW71qlH9h/FJVWZShD3kItYR+RSYRg5PibvVSRF/C+74weKB0Bs5… (1,748 chars)"
  }
}