The WatchList Id. Required except when ModificationAction=ADD and ModificationSource=LIST
The Type of list to modify. Valid values are 'LIST' (for the whole watchlist), 'MEMBER' (for the list items)
{ "PersonId": 0, "WatchListId": 0, "ModificationSource": "string", "ModificationAction": "string", "StrategyId": 0, "WatchListName": "string" }