Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQF/XHuIQCIe9xyHBnIckywEWNoIUrfRehX5RXAXIxr0IEEf5GKIFwgYm7sc… (1,748 chars)"
  }
}