InvestmentRequest

{
    "id": 1,
    "unit_id": 5,
    "investor_id": 1,
    "percentage": 2.5,
    "estimated_amount": 125000,
    "management_fee": 2500,
    "management_fee_percentage": 2,
    "net_amount": 122500,
    "status": "pending",
    "created_at": "2024-01-20T10:30:00+00:00"
}