{
  "resourceType": "ResearchSubject",
  "id": "researchsubject-s1-1",
  "meta": {
    "profile": [
      "http://clinicalsite.org/fhir/StructureDefinition/researchsubject-soa"
    ]
  },
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><h>Example Research Subject</h><ul><li>Step 1: pre-screening</li><li>Beginning of pre-screnning: 2018-01-01</li><li>Eligibility: pending</li></ul></div>"
  },
  "extension": [
    {
      "extension": [
        {
          "url": "status",
          "valueCode": "candidate"
        },
        {
          "url": "period",
          "valuePeriod": {
            "start": "2018-01-01"
          }
        }
      ],
      "url": "http://clinicalsite.org/fhir/StructureDefinition/researchsubject-status-history"
    }
  ],
  "status": "candidate",
  "period": {
    "start": "2018-01-01"
  },
  "study": {
    "reference": "ResearchStudy/researchstudy-soa-1"
  },
  "individual": {
    "reference": "Patient/patient-soa-1"
  }
}