{
  "data": {
    "countries": [
      {
        "translatedName": "Ascension Island",
        "translations": [
          {
            "languageCode": "bg-BG",
            "translatedName": "Остров Възнесение"
          },
          {
            "languageCode": "cs-CZ",
            "translatedName": "Ascension"
          }
        ]
   }
}

class Country
{
      public string TranslatedName { get; set; }

      public List<Dictionary<string, string>> Translations { get; set;
}

public T Parse<T>(string fieldName, string json)
{

}

public T Parse<T>(string fieldName, string json)
{
    return JObject.Parse(json)[fieldName].ToObject<T>();
}

var countries = Parse<List<Country>>("countries", ....); //it fails due to the fact it does not know how to convert translations to dictionary