Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQB94P+BjP9Zhz/xp7l9KCvDTB/Uk4uYKn5EEXBF3NIupVh8iEkJLMdvxVzA… (1,748 chars)"
  }
}