View Source GoogleApi.Content.V2.Model.TestOrderCustomerMarketingRightsInfo (google_api_content v0.61.1)
nil) - Last know user use selection regards marketing preferences. In certain cases selection might not be known, so this field would be empty. Acceptable values are: - "
denied" - "
nil) - Timestamp when last time marketing preference was updated. Could be empty, if user wasn't offered a selection yet.