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