{
    "root_id": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "root_tittel": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },          
    "root_mottaker_adresse1": {
        "Path": "InsertDocuments",
        "MainContract": "CreateDocumentParameter"
    },
    "root_mottaker_adresse2": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "root_web_id_guid": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    }
}

{
    "id": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "tittel": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },              
    "mottaker": {
        "adresse1": {
            "Path": "InsertDocuments",
            "MainContract": "CreateDocumentParameter"
        },
        "adresse2": {
            "Path": "InsertCases",
            "MainContract": "CreateCaseParameter"
        }
    },
    "web": {
        "id": {
            "guid": {
                "Path": "InsertCases",
                "MainContract": "CreateCaseParameter"
            }
        }
    }
}

if you see the difference the hierarchy is splitted with _(underscore). I want to make it in a more nested way.

1. root_element -> element
2. root_element1_element2 -> element1 is parent and element2 is child.

JObject obj = JObject.Parse(jsonString);
            JObject finalObj = new JObject();
            foreach (var item in obj)
            {
                var keys = item.Key.Replace("root_", "").Split("_").Reverse();
                bool nestedKeyProcessed = false;
                JObject tempObj = new JObject();
                foreach (string key in keys)
                {
                    if (keys.Count() > 1 && !nestedKeyProcessed)
                    {
                        tempObj = CreateJObject(key, item.Value);
                        nestedKeyProcessed = true;
                    }
                    else
                    {
                        if (keys.Count() == 1)
                            finalObj.Add(new JProperty(key, item.Value));
                        else
                            tempObj = CreateJObjectUsingJProperty(key, tempObj);
                    }
                }
                if (keys.Count() > 1)
                    finalObj.Merge(tempObj, new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Union });
            }
            string json = JsonConvert.SerializeObject(finalObj);
            JObject CreateJObject(string key, JToken? data)
            {
                JObject obj = new JObject();
                obj.Add(key, data);
                return obj;
            }
            JObject CreateJObjectUsingJProperty(string key, object? data)
            {
                JObject obj = new JObject(new JProperty(key, data));
                return obj;
            }

 {
    "root_id": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "root_tittel": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },          
    "root_mottaker_adresse1": {
        "Path": "InsertDocuments",
        "MainContract": "CreateDocumentParameter"
    },
    "root_mottaker_adresse2": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "root_web_id_guid": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    }
}

{
    "id": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },
    "tittel": {
        "Path": "InsertCases",
        "MainContract": "CreateCaseParameter"
    },              
    "mottaker": {
        "adresse1": {
            "Path": "InsertDocuments",
            "MainContract": "CreateDocumentParameter"
        },
        "adresse2": {
            "Path": "InsertCases",
            "MainContract": "CreateCaseParameter"
        }
    },
    "web": {
        "id": {
            "guid": {
                "Path": "InsertCases",
                "MainContract": "CreateCaseParameter"
            }
        }
    }
}

if you see the difference the hierarchy is split with _(underscore). I want to make it in a more nested way.

1. root_element -> element
2. root_element1_element2 -> element1 is parent and element2 is child.

JObject obj = JObject.Parse(jsonString);
JObject finalObj = new JObject();
foreach (var item in obj)
{
    var keys = item.Key.Replace("root_", "").Split("_").Reverse();
    bool nestedKeyProcessed = false;
    JObject tempObj = new JObject();
    foreach (string key in keys)
    {
        if (keys.Count() > 1 && !nestedKeyProcessed)
        {
            tempObj = CreateJObject(key, item.Value);
            nestedKeyProcessed = true;
        }
        else
        {
            if (keys.Count() == 1)
                finalObj.Add(new JProperty(key, item.Value));
            else
                tempObj = CreateJObjectUsingJProperty(key, tempObj);
        }
    }
    if (keys.Count() > 1)
        finalObj.Merge(tempObj, new JsonMergeSettings { MergeArrayHandling = MergeArrayHandling.Union });
}
string json = JsonConvert.SerializeObject(finalObj);
JObject CreateJObject(string key, JToken? data)
{
    JObject obj = new JObject();
    obj.Add(key, data);
    return obj;
}
JObject CreateJObjectUsingJProperty(string key, object? data)
{
    JObject obj = new JObject(new JProperty(key, data));
    return obj;
}

Please review and let me know if we can do in any optimized way..

Thanks in advance!

Please review and let me know if it can be any optimized in any way

Please review and let me know if we can do in any optimized way...

Please review and let me know if we can do in any optimized way..