using System;

using System.Linq;

using System.Collections.Generic;

using Newtonsoft.Json;

public class Program

{

    public static void Main()

    {

        string json = @"

            {

              ""complaint@simulator.amazonses.com"": {

                ""time"": ""2018-01-02T20:45:46.65Z"",

                ""type"": ""Complaint"",

                ""bounceType"": ""null"",

                ""bounceSubType"": ""null""

              },

              ""struax@example.org"": {

                ""time"": ""2018-01-02T20:53:03Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Permanent"",

                ""bounceSubType"": ""Suppressed""

              },

              ""bounce-test@service.socketlabs.com"": {

                ""time"": ""2018-01-02T21:06:40.097Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Permanent"",

                ""bounceSubType"": ""Suppressed""

              },

              ""bounce@simulator.amazonses.com"": {

                ""time"": ""2018-01-02T21:08:02Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Permanent"",

                ""bounceSubType"": ""General""

              },

              ""jstrechay@example.org"": {

                ""time"": ""2018-01-05T06:31:39Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Permanent"",

                ""bounceSubType"": ""General""

              },

              ""leematt45@example.org"": {

                ""time"": ""2018-01-05T06:49:13Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Permanent"",

                ""bounceSubType"": ""Suppressed""

              },

              ""afbweb@example.org"": {

                ""time"": ""2018-01-07T12:50:38Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Transient"",

                ""bounceSubType"": ""General""

              },

              ""bajanina2013@example.org"": {

                ""time"": ""2018-01-02T08:12:19Z"",

                ""type"": ""Bounce"",

                ""bounceType"": ""Transient"",

                ""bounceSubType"": ""MailboxFull""

              },

              ""martin.bunt@example.org"": {

                ""time"": ""2018-01-05T07:00:24Z"",

                ""type"": ""Complaint"",

                ""bounceType"": ""null"",

                ""bounceSubType"": ""null""

              }

            }";

        var dict = JsonConvert.DeserializeObject<Dictionary<string, BounceItem>>(json);

        var list = dict.Select(kvp => { kvp.Value.Email = kvp.Key; return kvp.Value; }).ToList();

        string format = "{0,-35} {1,-22} {2,-10} {3,-11} {4}";

        Console.WriteLine(string.Format(format, "Email", "Time", "Type", "BounceType", "BounceSubType"));

        Console.WriteLine(string.Format(format, new String('-',35), new String('-',22), new String('-',10), new String('-',11), new String('-',13)));

        foreach (var item in list)

        {

            Console.WriteLine(string.Format(format, item.Email, item.Time, item.Type, item.BounceType, item.BounceSubType));

        }

    }

}

​

class BounceItem

{

    public string Email { get; set; }

    public DateTime Time { get; set; }

    public string Type { get; set; }

    public string BounceType { get; set; }

    public string BounceSubType { get; set; }

}

​