You can post the context as code, like this
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<file-rbac>
<users>
<user>
<name>admin-user</name>
<!-- password hash for "admin-password" -->
<password>Vjc1a0lxQ3Nvb0ljNFVHNE9WRnM3RG1IZmdNUFcwVGY=:100:PL2FLqfpdhONG7qXjAMmdVn4wlMiXnypdXiFW09zqorFhKgoiixFQw2EVJJfE9Zn79q45V7Xpc6JeKLp0ntmYA==</password>
<roles>
<id>superuser</id>
</roles>
</user>
</users>
<roles>
<role>
<id>superuser</id>
<permissions>
<permission>
<!-- Allow everything -->
<topic>#</topic>
</permission>
</permissions>
</role>
</roles>
</file-rbac>