[
  {
    "contact_id": "C24-C001",
    "name": "Emma Hart",
    "email": "emma.hart@example.com",
    "data_status": "synthetic_demo",
    "email_consent": true,
    "sms_consent": true,
    "mobile": null,
    "preferred_channel": "email",
    "active_window_id": "C24-C001-W1"
  },
  {
    "contact_id": "C24-C002",
    "name": "Sarah Whitfield",
    "email": "sarah.whitfield@example.com",
    "data_status": "synthetic_demo",
    "email_consent": true,
    "sms_consent": true,
    "mobile": null,
    "preferred_channel": "email",
    "active_window_id": "C24-C002-W1"
  },
  {
    "contact_id": "C24-C003",
    "name": "David Chapman",
    "email": "david.chapman@example.com",
    "data_status": "synthetic_demo",
    "email_consent": true,
    "sms_consent": true,
    "mobile": null,
    "preferred_channel": "email",
    "active_window_id": "C24-C003-W1"
  },
  {
    "contact_id": "C24-C004",
    "name": "Karen Lewis",
    "email": "karen.lewis@example.com",
    "data_status": "synthetic_demo",
    "email_consent": true,
    "sms_consent": true,
    "mobile": null,
    "preferred_channel": "email",
    "active_window_id": "C24-C004-W1"
  }
]