{
  "@context": {
    "odrl": "http://www.w3.org/ns/odrl/2/"
  },
  "@type": [
    "odrl:PartyCollection"
  ],
  "odrl:source": {
    "@id": "https://example.org/partycollection/registered-users"
  },
  "odrl:refinement": [
    {
      "@type": [
        "odrl:Constraint"
      ],
      "odrl:leftOperand": {
        "@id": "odrl:spatial"
      },
      "odrl:operator": {
        "@id": "odrl:eq"
      },
      "odrl:rightOperand": {
        "@id": "http://publications.europa.eu/resource/authority/country/GBR"
      }
    }
  ]
}