private List <ChildCategory> getChildCategories(long subCategoryId)
{
var data = _categoryApi.GetChildCategories(subCategoryId);
var list = new List <ChildCategory>();
var arr = ((JArray)data.Data).Children();
foreach (var i in arr)
{
var item = i.ToObject <ChildCategory>();
list.Add(item);
}
return(list);
}