{
  "id": "REDACTED",
  "firstName": {
    "localized": {
      "en_US": "Tina"
    },
    "preferredLocale": {
      "country": "US",
      "language": "en"
    }
  },
  "lastName": {
    "localized": {
      "en_US": "Belcher"
    },
    "preferredLocale": {
      "country": "US",
      "language": "en"
    }
  },
  "profilePicture": {
    "displayImage": "urn:li:digitalmediaAsset:B54328XZFfe2134zTyq"
  }
}

{
  "localized": {
    "de_DE": "LinkedIn",
    "en_US": "LinkedIn",
    "es_ES": "LinkedIn",
    "in_ID": "LinkedIn"
  }
}

public class Localized
{
    public string en_Us { get; set; }
}

public class PreferredLocale
{
    public string country { get; set; }
    public string language { get; set; }
}

public class LastName
{
    public Localized localized { get; set; }
    public PreferredLocale preferredLocale { get; set; }
}

public class FirstName
{
    public Localized localized { get; set; }
    public PreferredLocale preferredLocale { get; set; }
}

public class ProfilePicture
{
    public string displayImage { get; set; }
}

public class LinkedLiteProfile
{
    public LastName lastName { get; set; }
    public FirstName firstName { get; set; }
    public ProfilePicture profilePicture { get; set; }
    public string id { get; set; }
}

var data = System.IO.File.ReadAllText(<<file address>>);
var result = JsonConvert.DeserializeObject<LinkedLiteProfile>(data);