{"max_attempts": 4, "base_delay": 200, "exponential": false, "retryable_codes": [408, 503], "cancel_wins": false, "priority_high_first": false, "fifo_ties": false, "dedup_key": "key", "stale_after": 2000, "stale_inclusive": false, "delay_cap": 400, "dead_order": "input", "deployment_region": null, "billing_account": null, "owner_email": null, "sla_percentile": null}