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      "zone": "zone-a"
    },
    {
      "id": 2,
      "list_name": "nodes",
      "name": "orders-db-2",
      "role_at_midnight": "replica",
      "zone": "zone-b"
    },
    {
      "id": 3,
      "list_name": "nodes",
      "name": "orders-db-3",
      "role_at_midnight": "replica",
      "zone": "zone-c"
    },
    {
      "id": 4,
      "list_name": "nodes",
      "name": "orders-db-4",
      "role_at_midnight": "replica",
      "zone": "zone-a"
    }
  ]
}