Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAAAAwFmO03/IcYWOlFKbnRyoEL9AsqRHJCwO/YaQUYjbe6tRlEMrB0jgJeapnXz… (844 chars)"
  }
}