Buy 4 for the price of 3!

[{"id":31916728254510,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"","requires_shipping":true,"taxable":false,"featured_image":null,"available":false,"name":"Buy 4 for the price of 3!","public_title":null,"options":["Default Title"],"price":4500,"weight":2600,"compare_at_price":6000,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[]}]