Get transaction details

{
    "success": true,
    "data": {
        "id": 123,
        "transaction_code": "TXN-20240120-0001",
        "type": "deposit",
        "amount": 125000,
        "currency": "EGP",
        "status": "pending",
        "description": "Investment in Downtown Office Tower (2.5%)",
        "reference_type": "investment_request",
        "reference_id": 1,
        "related_entity": {
            "type": "unit",
            "id": 5,
            "name": "Downtown Office Tower",
            "code": "UNIT-0005"
        },
        "created_at": "2024-01-20T10:30:00+00:00",
        "completed_at": "2024-01-21T09:00:00+00:00"
    }
}