Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQBlfbmKCcPNu6hFmj8KbSGZEWcVtI79ECph10ZzFf/Nci7/InL6Gx4ONjuI… (1,748 chars)"
  }
}