Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwEZtAy2Be3SNKSZjvBGTxtIKoTwGHxJcY/DIYpf5u5cRnUMOEz8a6Dc+9nU… (844 chars)"
  }
}