Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQFtPQ6A49EqeEO8k5tJUdBGAxwLTYp+Xg+/Q86iJI+MgF5+ZdFyYpD2Su1J… (1,748 chars)"
  }
}