https://api.data.payoff.ch/v2/underlyings?counters=true&keyword=Exact+Sciences+Corp

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    "counters": {
        "exchanges": [
            {
                "ref": "XQMH",
                "name": "SIX Structured Products | XQMH",
                "num": "1"
            }
        ]
    },
    "list": [
        {
            "id": 412664,
            "isin": "US30063P1057",
            "symbol": "EXAS",
            "name": "Exact Sciences Corp",
            "assetClass": "Aktien",
            "categories": {
                "11": "0",
                "12": "0",
                "13": "1",
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                "20": "0"
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