LeadCart

{
    "lead_products": [
        {
            "product": {
                "id": "string",
                "name": "string",
                "value": 0
            },
            "amount": 0,
            "value": 0
        }
    ],
    "custom_lead_source_id": "string",
    "custom_lead_type_id": "string"
}