Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBFzOkalVvhtNeiZ8CmQmuv9JaqKXaQosJWwf8lZAiPXFPV+d8Y6fmOY7k0… (1,748 chars)"
  }
}