Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwKe0HV2d/wDNHevUA6O6V9OJ1ZGMPwHh6/8YEWCEKZ/1HxDfaKtkL1bUHge… (844 chars)"
  }
}