Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQAGtx88SPr2Kbh9c4mB25MYQYbJY0lS48tW56xmP8cyIg+dxqKNGfo2i5fH… (1,748 chars)"
  }
}