{
  Id: "123"
  "Services": [
    11
  ],
  "NoticeTypeCd": "InformationNotice",
  "EnglishHeaderText": "en updated header",
  "FrenchHeaderText": "fr updated header",
  "EnglishBodyText": "en updated body",
  "FrenchBodyText": "fr updated body",
  "StartDate": "2020-10-19",25T09:00:00.000Z"
  "EndDate": "2020-10-1925T11:00:00.000Z"
  "DisplayDate": "2020-10-19T13:14:00.000Z"
}

var outageNoticenotice = new OutageNoticeNotice
{
    Id = 123,
    Services = new List<int> {2},
7, 11},    NoticeTypeCd = 4, 
    EnglishHeaderText = "header text en",
    FrenchHeaderText = "header text fr",
    EnglishBodyText = "english body en",
    FrenchBodyText = "french body text",
    DisplayDate = DateTime.Now.AddDays(1) 
    StartDate = DateTime.Now,.AddDays(2) 
    EndDate = DateTime.Now.AddDays(5)
};

var notice = await _outageNoticeManagernoticeManager.Update(outageNoticenotice);