getModifiedSince

[
	{
		product_id: int,
		type: int,
		name: string,
		reference: string,
		ean: string,
		price: float,
		stock: float,
		unit_id: int,
		pos_favorite: int,
		at_product_category: string,
		image: string,
		measurement_unit:
		{
			unit_id: int,
			name: string,
			short_name: string
		},
		taxes:
		[
			{
				product_id: int,
				tax_id: int,
				value: float,
				order: int,
				cumulative: int,
				tax:
				{
					tax_id: int,
					type: int,
					saft_type: int,
					vat_type: string,
					stamp_tax: string,
					name: string,
					value: float,
					fiscal_zone: string,
					active_by_default: int,
					exemption_reason: string
				}
			},
			(...)
		],
		properties:
		[
			{
				property_id: int,
				value: string,
				property: {,
					property_id: int,
					title: string
				}
			},
			(...)
		],
		price_classes:
		[
			{
				product_price_class_id: int,
				price_class_id: int,
				value: float,
				{
					price_class_id: int,
					title: string,
					lastmodifiedby: int,
					lastmodified: int,										
				}
			},
			(...)
		],
		warehouses:
		[
			{
				product_id: int,
				warehouse_id: int,
				stock: float,
			},
			(...)
		]
	},
	(...)
]