{
  "resourceType" : "ResearchSubject",
  "id" : "example",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">[Put rendering here]</div>"
  },
  "identifier" : [{
    "type" : {
      "text" : "Subject id"
    },
    "system" : "http://example.org/studysubjectids",
    "value" : "123"
  }],
  "status" : "active",
  "progress" : [{
    "type" : {
      "coding" : [{
        "code" : "state"
      }]
    },
    "subjectState" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/research-subject-state",
        "code" : "on-study"
      }]
    },
    "startDate" : "2019-06-10"
  },
  {
    "type" : {
      "coding" : [{
        "code" : "milestone"
      }]
    },
    "milestone" : {
      "coding" : [{
        "code" : "SignedUp"
      }]
    },
    "startDate" : "2019-06-06"
  },
  {
    "type" : {
      "coding" : [{
        "code" : "milestone"
      }]
    },
    "milestone" : {
      "coding" : [{
        "code" : "Randomized"
      }]
    },
    "startDate" : "2019-06-10"
  }],
  "study" : {
    "reference" : "ResearchStudy/example"
  },
  "subject" : {
    "reference" : "Patient/example"
  }
}