{
    "printer_name": "POS-80",
    "server_url": "http://127.0.0.1:8081",
    "device_token": "ecf695d7675dda26f3ea2112d6e21aa859ac46682b577d658cb8d5cee7ac09fb",
    "poll_interval_seconds": 2,
    "mode": "spooler",
    "paper_width_chars": 42,
    "log_dir": "logs"
}