Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFQguExXNx/Wf8dV57Hn0J/LBSoIrCEQAWi47LHy6gpsGvZLqZYRbCNEBwU… (844 chars)"
  }
}