InitiateCryptoPaymentDTO

{
    "reference": "order_12345",
    "currency": "USD",
    "coin": "USDT",
    "chain": "tron",
    "amount": 100.5,
    "callback_url": "https://example.com/callback",
    "is_fee_paid_by_user": false,
    "expires_in_seconds": 900,
    "metadata": {}
}