Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQF+njhNJDH/iSzCHFnjOvxVKQt3VzJZpE3S8N8Dwf+uYEmyUN9ceB4TZ2HB… (1,748 chars)"
  }
}