using System.IO;

using System;

using System.Linq;

using YamlDotNet.Serialization;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        var r = new StringReader(@"

TestPaySignService:

    Test:

        TestString:

            settings-key: TestStringValue

            types:

                - type1

                - type2

​

        TestString2:

            settings-key: TestStringValue2

            types:

                - type1

                - type2

"); 

        var deserializer = new Deserializer();

        var yamlObject = deserializer.Deserialize<dynamic>(r)["TestPaySignService"]["Test"].Values;

        var serializer = new JsonSerializer();

        serializer.Serialize(Console.Out, yamlObject);

    }

}