The payload sent to the WaniKani API to update a user's preferences.
https://docs.api.wanikani.com/20170710/#update-user-information
The user object, as part of the payload.
The user preferences to be updated; only those specified in the object will be updated.
The payload sent to the WaniKani API to update a user's preferences.
See
https://docs.api.wanikani.com/20170710/#update-user-information