{"error": "address must be a poa1 address", "meta": {"api_version": "1.12.0", "network": "poa-mainnet-1", "source_height": 32940, "checkpoint": 24371, "epoch": 9, "node_as_of": "2026-10-21T19:35:15.071Z", "fetched_at": "2026-10-21T19:36:02Z", "stale": false, "stale_after_s": 300, "node_stale": false, "node_stale_age_s": null, "checkpoint_age_s": 84964, "blocks_since_checkpoint": 8569, "maintenance": {"active": true, "cleared_by": null, "post_id": 1357, "post_url": "https://minepoa.com/lableak/#/post/1357", "started_at": "2026-10-21T19:00:51Z", "expected_window_h": [24, 72], "paused": ["mining", "grading"], "working": ["onboarding", "epoch_closes", "reward_payouts", "balances", "explorer"], "pending_ttl_epochs": 16, "parked_checkpoint": 24371, "checkpoint": 24371, "auto_clear": "checkpoint height above parked_checkpoint", "halted_list_public": false, "url": "https://poascan.io/status#upgrade"}, "generated_at": "2026-10-21T19:40:39Z"}}