{
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      "operation": "Insert",
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      "inventoryNumber": {
        "value": "PARK"
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      "unitPriceInCurrency": {
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    "value": "2021-03-08T11:00:00.000Z"
  },
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    "value": false
  },
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    "value": "202012"
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  "invoiceText": {
    "value": "Vrije factuur tekst"
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  "startDate": {
    "value": "2021-02-01T15:28:24.720Z"
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    "value": "2021-02-08T15:28:24.720Z"
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}