Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwG+UJmAP+uodfWiDV6OB7eF6Mb9cTXnMwBQMCC+a+EdHW5N3wTbn0e8/x2H… (844 chars)"
  }
}