private Note CreateNote()
 {
     Note note = new Note
     {
         @from = new string('f', 5000),
         heading = new string('h', 5000),
         to = new string('t', 5000)
     };
     return note;
 }
 private string Serialze(Note note)
 {
     return Serializer.Serialze(note);
 }