JSON formatieren & validieren

{
  "id": "usr_8f21a3",
  "name": "Alex Rivera",
  "email": "alex.rivera@example.com",
  "active": true,
  "avatarUrl": "https://images.example.com/avatars/alex-rivera.png",
  "profile": {
    "plan": "pro",
    "referredBy": null,
    "address": {
      "city": "Austin",
      "country": "US"
    }
  },
  "tags": [
    "beta-tester",
    "design-partner"
  ],
  "orders": [
    {
      "id": 1001,
      "item": "Wireless Mouse",
      "quantity": 2,
      "price": 24.99
    },
    {
      "id": 1002,
      "item": "Mechanical Keyboard",
      "quantity": 1,
      "price": 89.5
    },
    {
      "id": 1003,
      "item": "USB-C Hub",
      "quantity": 3,
      "price": 19
    }
  ]
}