function getNestedData(obj, arrOfData = []) {
    if (obj === null) {
        return null;
    } else if (typeof obj === "object") {
        if (Object.keys(obj).length === 1) {
            arrOfData.push(obj);
        }
        for (const key in obj) {
            if (typeof obj[key] === "object") {
                getNestedData(obj[key], arrOfData);
            } else {
                arrOfData.push({ [key]: obj[key] });
            }
        }
    } else { // it's not an object or null, it means it's a primitive type.
        arrOfData.push(obj);
    }
    return arrOfData;
}