SpeedLog | Fast Swift debug logs

public class DeviceMap
{
    [JsonProperty(PropertyName = "id")]
    public string Id { get; set; } // Suggestion: Change this to 'Guid' instead of string

    [JsonProperty(PropertyName = "IPaddress")]
    public string IPaddress { get; set; }

    [JsonProperty(PropertyName = "SpeedLog")]
    public bool SpeedLog { get; set; }

    [JsonProperty(PropertyName = "LastContact")]
    public Entry LastContact { get; set; }
}

public class Entry

{
    [JsonProperty(PropertyName = "EnvLog")]
    public DateTime EnvLogtime { get; set; }

    [JsonProperty(PropertyName = "Ping")]
    public DateTime Ping { get; set; }

    [JsonProperty(PropertyName = "SpdLog")]
    public DateTime SpdLog { get; set; }
}