Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQC260cwNxu+WNR9W7gYDe1sAZjfPuCz2MxsycwBkzAQwl8cs+jWd/u2U8IJ… (1,748 chars)"
  }
}