Identifiant de l'utilisateur, @me = vous si connecté
{"code": 200,"id": "User ID","username": "User name","avatarUrl": If user has avatar,"User avatar URL", otherwise null,"defaultAvatarUrl": "Default user avatar URL","createdDate": "Timestamp of created date","email": If user is you,"User email", otherwise undefined}
{"code": 400,"message": "This user does not exist"}
{"code": 401,"message": "Invalid token" or "You must be logged"}