{
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    "vcard": "http://www.w3.org/2006/vcard/ns#",
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      "dct:modified": {
        "@type": "xsd:dateTime",
        "@value": "2014-01-18T10:38:37"
      },
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      "gnss:obsHeader": {
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      "@id": "https://epncb.oma.be/PID/2012/272/RABT00MAR_2012272_01D_30S_R2#temporal",
      "@type": "PeriodOfTime",
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}