Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQEWL3BFpr9J1zJKspQbKwcQRwsKa3upQZR6MfFkHWkj+E1EY2qOjKQ5wkbD… (1,748 chars)"
  }
}