curl -X GET 'https://api.example.com/users/user_jane' \
  -H 'Authorization: Bearer YOUR_TOKEN'

{
  "id": "user_0190a1b2-c3d4-7e5f-8a9b-0c1d2e3f4a5b",
  "subjectId": "subject_jane",
  "kindeId": "kp_abc123",
  "email": "jane@acme.com",
  "emailVerified": true,
  "firstName": "Jane",
  "lastName": "Doe",
  "displayName": "Jane Doe",
  "avatarUrl": "https://example.com/avatar.jpg",
  "defaultTenantId": "tenant_acme",
  "status": "active",
  "createdAt": "2024-01-15T10:30:00Z",
  "updatedAt": "2024-01-15T10:30:00Z",
  "lastLoginAt": "2024-01-20T14:00:00Z"
}