{
"path": "/usr/local/bin/signal-desktop"
, "xserver": {
        "enabled": true
        , "enable_tray": false
        , "enable_notifications": true
}
, "networking":{
        "type":"host"
}
, "whitelist": [
        {"path":"${HOME}/.config/Signal", "can_create": true}
        , {"path":"/opt/Signal", "read_only": true}
]
, "blacklist": [
]
, "environment": [
]
, "seccomp": {
        "mode":"blacklist"
        , "enforce": true
}
}