{"device_id": "redmi9a", "device_label": "HP Redmi 9A", "status": "up", "last_seen": "2026-09-02 17:08:54 WIB", "last_seen_epoch": 1788343734.202626, "seconds_since_last_seen": 176.7, "down_after_seconds": 900, "down_since": null, "down_since_epoch": null, "heartbeat_count": 68, "last_seen_ip": "114.5.109.186", "server_time": "2026-09-02 17:11:50 WIB", "server_time_epoch": 1788343910.9, "startup_grace_active": false, "history": [1788336534.5, 1788336834.5, 1788337134.2, 1788337434.4, 1788337734.2, 1788338034.2, 1788338334.2, 1788338634.2, 1788338934.2, 1788339234.2, 1788339534.5, 1788339834.4, 1788340134.2, 1788340434.2, 1788340734.2, 1788341034.2, 1788341334.2, 1788341634.7, 1788341934.4, 1788342234.2, 1788342534.2, 1788342834.2, 1788343134.2, 1788343434.2, 1788343734.2], "history_keep_seconds": 86400}