Example of naming system for an identifier

{
  "resourceType" : "NamingSystem",
  "id" : "example-id",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      \n      <p>\n        \n        <b>Australian IHI Number</b>\n      \n      </p>\n      \n      \n      <p> oid: 1.2.36.1.2001.1003.0</p>\n      \n      \n      <p> uri: http://ns.electronichealth.net.au/id/hi/ihi/1.0</p>\n    \n    \n    </div>"
  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "vocab"
  }],
  "url" : "http://hl7.org/fhir/NamingSystem/example-id",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.22.3"
  }],
  "name" : "AustalianHealthcareIdentifierIndividual",
  "title" : "Austalian Healthcare Identifier - Individual",
  "status" : "active",
  "kind" : "identifier",
  "date" : "2015-08-31",
  "publisher" : "HL7 International / Terminology Infrastructure",
  "contact" : [{
    "name" : "HL7 Australia FHIR Team",
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/Vocab"
    }]
  }],
  "responsible" : "HI Service Operator / NEHTA",
  "type" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
      "code" : "NI",
      "display" : "National unique individual identifier"
    }],
    "text" : "IHI"
  },
  "description" : "Australian HI Identifier as established by relevant regulations etc.",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "urn:iso:std:iso:3166",
      "code" : "AU"
    }]
  }],
  "usage" : "Used in Australia for identifying patients",
  "uniqueId" : [{
    "type" : "oid",
    "value" : "1.2.36.1.2001.1003.0",
    "comment" : "This value is used in Australian CDA documents"
  },
  {
    "type" : "uri",
    "value" : "http://ns.electronichealth.net.au/id/hi/ihi/1.0",
    "preferred" : true,
    "period" : {
      "start" : "2015-08-21"
    }
  }]
}