I do, these are the contents (I modified the cache and debug for troubleshooting):
{
"AM_ALLOWED_FILE_TYPES": "dmg, iso, rar, tar, zip, aiff, m4a, mp3, ogg, wav, ai, dxf, eps$
"AM_CACHE_ENABLED": false,
"AM_CACHE_LIFETIME": 43200,
"AM_CACHE_MONITOR_DELAY": 120,
"AM_DEBUG_ENABLED": true,
}
The permissions owner is www-data:www-data, permissions are 755. It's located in /var/www/html/<mysite>.com which is where my Nginx config file points to