POST /mount_extension HTTP/1.1
Host: localhost:1337
Content-Type: application/json
Content-Length: 177
{
 "category": "",
 "folder": "/path/to/personal_data/discussion_databases/defa
ult/<discussion_id>/text_data",
 "client_id": "jg9yock1FmRZdONsAAAH",
 "language": "vi"
}