XTools

{
  "user": {
    "_attributes": {
      "id": "123",
      "role": "admin"
    },
    "name": "John Doe",
    "email": "[email protected]",
    "preferences": {
      "theme": "dark",
      "language": "en"
    }
  }
}

<user id="123" role="admin">
  <name>John Doe</name>
  <email>[email protected]</email>
  <preferences>
    <theme>dark</theme>
    <language>en</language>
  </preferences>
</user>