Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAYXZWTQY1zchMt/U+mA3IwacCa0+A9HJQeEoT0Fct4flQKi6YIsYTqcLS8… (1,748 chars)"
  }
}