Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQDXy/AdfFCmZIRtqxzZpJypL7n7Fe2kYOemvhhq4yfZ9VZ1h743T5KYdpOa… (1,748 chars)"
  }
}