Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQHZ7GcxGzTEuYq8tV0JplTfTKOVe0Fn1mjUnGWs3rKS9n9j/8MZoDY5kdvi… (1,748 chars)"
  }
}