gistfile1.txt

{
    "Country 1a": {
        "Bank 1a": {
            "Metric Level 1a": {
                "Metric Level 2a": {
                    "Metric Level 3a": {
                        "Period 1": 0.94,
                        "Period 2 / % change over Period 2": -1.83,
                        "Period 3 / % change over Period 3": 1.83
                    },
                    "Metric Level 3b": {
                        "Period 1": 0.94,
                        "Period 2 / % change over Period 2": -1.83,
                        "Period 3 / % change over Period 3": 1.83
                    }
                },
                "Metric Level 2b": {...}
            },
            "Metric Level 1b": {...}
        },
        "Bank 2b": {...}
    },
    "Country 2b": {...}
}