Authenticates user by a particular custom ID. If user does not exist, they are created.
Method available with the server JWT in the
X-SERVER-AUTHORIZATION header only. To get the server token, use the Generate User JWT method with
Custom ID is generated by your server (it is not Xsolla Login User ID). It should be in secret key.
Social profile which is needed to be linked to the user.
The Xsolla Login user JWT.