Get a user's details, role, and access. Use this to check or edit a user. Returns the user. user_type is the value to send back to Edit a partner user: basic for a basic user, otherwise assign_brand when the user is limited to some accounts, otherwise admin.

Prerequisites: a bearer token, and the user's id (user_id) from List users.

Authentication: Partner or Account token. user_id must be a user inside your own account tree, otherwise 422; any other token (for example a Location token) gets 403.

Rate limit: none.