I have a problem with the json output when sending a request to the API. I receive data in this format: "{n "name": "John",n "age": 30,n "car": null,n "address": {n "street": "123 Main St",n "city": "Anytown",n "zip": "12345"n }n}" I need the data in this format: { "name": "John", "age": […]