Идем на сервер хипчата

$ ssh admin@hipchat.local
admin@hipchat.local's password:

admin@hipchat:~$ sudo dont-blame-hipchat
root@hipchat:/home/admin#

Идем в базу MySQL и инсертим записи

# mysql -u root -pпароль_из_хистори hipchat

MariaDB [hipchat]>insert into users(name,mention_name,email,timezone,confirmed,external_id,metadata) values('Test Sergey','TestSergey','stest@local','Europe/Moscow',1,{hcs}stest,'{"confirmation_unix_time":1521022992}');