Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAP+Zyxz7hELdqW8SOPhnqQSP4t7gAPpUtAjI3TXpBaAHwsSTTtKitQfuDL… (1,748 chars)"
  }
}