转换值“{”1“：”1“，”3“：”1“}”输入'System.Collections.Generic.Dictionary`2 [System.String，System.String]'时出错

Question

我使用C＃Newtonsoft.Json来序列化和反序列化数据。 我将我的类列入了有字典，当我尝试反序列化时，我得到错误：

Error converting value "{"1":"1","3":"1"}" to type 'System.Collections.Generic.Dictionary`2[System.String,System.String]'

Json看起来像：

[{
    "id": "4",
    "provider": "1",
    "items_id_num_json": "{\"1\":\"1\",\"3\":\"1\"}",
    "creator": "",
    "creation_time": "10.04.2016 19:00:25",
    "deleted": "0"
}, {
    "id": "3",
    "provider": "1",
    "items_id_num_json": "{\"1\":\"1\"}",
    "creator": "",
    "creation_time": "10.04.2016 18:12:01",
    "deleted": "0"
}]

类别：

public class Supply
{
    public string id { get; set; }
    public string deleted { get; set; }
    public string provider { get; set; }
    public Dictionary<string, string> items_id_num_json { get; set; }
    public string creator { get; set; }
    public string creation_time { get; set; }
}