{
  "fields": [{"id":"_id","type":"int"},{"id":"Miesiąc","type":"timestamp"},{"id":"Przystąpienia","type":"numeric"},{"id":"Wystąpienia","type":"numeric"},{"id":"Liczba klientów na koniec miesiąca","type":"numeric"},{"id":"Liczba klientów na start miesiąca","type":"numeric"}],
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    [31,"2024-02-01T00:00:00",8261,-53,11224,3016]
]}