GET face data from server and parse it into a list

getFaceData.cs

 UnityWebRequest www = UnityWebRequest.Get("http://SERVERIP:PORT/data");
  yield return www.SendWebRequest();

  Debug.Log(www.responseCode);
  if(www.isNetworkError || www.isHttpError || www.responseCode == 500) {
      GameObject myObject = GameObject.Find("ARCamera");
      myObject.GetComponent<Buttons>().showError("Need to Capture Front and Side!");
      yield return new WaitForSeconds(3);
      myObject.GetComponent<Buttons>().clearError();
  }
  else {
      // Show results as text
      Debug.Log(www.downloadHandler.text);
      string inputTextString = www.downloadHandler.text;
      int next = 0;
      var list = new List<List<float>>();
      while (next != -1){
          int start = inputTextString.IndexOf('N',next);
          int num_delimiter = inputTextString.IndexOf(',',start);
          next = inputTextString.IndexOf('N',start+1);
          int num_samples = Int16.Parse(inputTextString.Substring(start+1,num_delimiter-start-1));
          string sub_input;
          if (next != -1){
              sub_input = inputTextString.Substring(num_delimiter+1,next-num_delimiter-1);
          } else {
              sub_input = inputTextString.Substring(num_delimiter+1,inputTextString.Length-num_delimiter-1);
          }
          sub_input = sub_input.Replace("[","");
          sub_input = sub_input.Replace("]","");
          var myList = sub_input.Split(',').Select(Convert.ToSingle).ToList();
          myList.Add(Convert.ToSingle(num_samples));
          list.Add(myList);
      }