using System;

using System.Collections.Generic;

using Microsoft.EntityFrameworkCore;

using Newtonsoft.Json;

using Newtonsoft.Json.Linq;

​

public class Program

{

    public static void Main()

    {

        var myEntity = JsonConvert.DeserializeObject<List<MyTable>>(Json);

        myEntity.Dump();

    }

    public const string Json = @"[{

      ""HierarchyId"": ""/"",

      ""Contents"": [

        {

          ""Name"": ""ExampleName"",

          ""Surname"": ""ExampleSurname"",

          ""Fathername"": ""ExampleFathername"",

          ""Language"": 0

        },

        {

          ""Name"": ""TranslatedName"",

          ""Surname"": ""TranslatedSurname"",

          ""Fathername"": ""TranslatedFathername"",

          ""Language"": 1

        }

      ]

    }]";    

}

​

​

​

public class HierarchyIdConverter : JsonConverter<HierarchyId>

{

​

    public override HierarchyId? ReadJson(JsonReader reader, Type objectType, HierarchyId existingValue, bool hasExistingValue, JsonSerializer serializer)

    {

        var token = JToken.Load(reader);

        if (token.Type == JTokenType.String)

        {

            var hierarchyIdString = token.Value<string>();

            if (hierarchyIdString == "/")

            {

                return HierarchyId.GetRoot();

            }

            return HierarchyId.Parse(hierarchyIdString);

        }

        return null;

    }

​

    public override void WriteJson(JsonWriter writer, HierarchyId value, JsonSerializer serializer)

    {

        writer.WriteValue(value.ToString());

    }

}

​

public class MyTable

{

    public virtual Guid Id { get; set; }

​

    [JsonConverter(typeof(HierarchyIdConverter))]

    public HierarchyId HierarchyId { get; set; }

    public int HierarchyLevel { get; set; }

​

    [JsonIgnore]

    public virtual ICollection<MyTableContent> Contents { get; set; } = new List<MyTableContent>();

}

​

public class MyTableContent

{

    public virtual Guid Id { get; set; }

    public string? Name { get; set; }

    public string? Surname { get; set; }

    public string? Fathername { get; set; }

​

    [JsonIgnore]

    public MyTable MyTable { get; set; }

    public Guid MyTableId { get; set; }

}