NotificationShowResponse

{
    "success": true,
    "data": {
        "notification": {
            "id": 1,
            "kind": "proposal_received",
            "title": "string",
            "body": "string",
            "read_at": "2026-04-14T12:30:00.000Z",
            "read": true,
            "notifiable": {
                "type": "Contract",
                "id": 42
            },
            "created_at": "2026-04-14T10:00:00.000Z",
            "updated_at": "2026-04-14T10:00:00.000Z"
        }
    }
}