Changes to Update flag targeting for a user

the response property data/items/firstExposureAt became nullable for the status 200

the response property data/items/firstTrackAt became nullable for the status 200

the response property data/items/lastCheckAt became nullable for the status 200

the response property data/items/lastExposureAt became nullable for the status 200

the response property data/items/lastTrackAt became nullable for the status 200

the response property data/items/specificTargetValue became nullable for the status 200

response property data/items/firstExposureAt list-of-types was narrowed by removing types null from media type application/json of response 200

response property data/items/firstTrackAt list-of-types was narrowed by removing types null from media type application/json of response 200

response property data/items/lastCheckAt list-of-types was narrowed by removing types null from media type application/json of response 200

response property data/items/lastExposureAt list-of-types was narrowed by removing types null from media type application/json of response 200

response property data/items/lastTrackAt list-of-types was narrowed by removing types null from media type application/json of response 200

response property data/items/specificTargetValue list-of-types was narrowed by removing types null from media type application/json of response 200

for the path request parameter userId, the maxLength was set to 128

added the required property flagStateVersion to the response with the 200 status