{
    "resourceType": "Bundle",
    "identifier": {
      "system": "https://my-example/project_id",
      "value": "test-test001b"
    },
    "type": "transaction",
    "entry": [
      {
        "fullUrl": "DocumentReference/c64d2be3-c28a-575b-8856-8d37a6225e65",
        "resource": {
          "resourceType": "DocumentReference",
          "id": "c64d2be3-c28a-575b-8856-8d37a6225e65",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "c64d2be3-c28a-575b-8856-8d37a6225e65"
            }
          ],
          "status": "current",
          "docStatus": "final",
          "subject": {
            "reference": "Patient/fe902aaa-ad33-5750-a9f2-270fc0bae32a"
          },
          "date": "2024-01-12T11:03:50.621012+00:00",
          "content": [
            {
              "attachment": {
                "extension": [
                  {
                    "url": "http://my-example/fhir/StructureDefinition/md5",
                    "valueString": "abcbb525d2ab41ae79efc944a909dcfe"
                  },
                  {
                    "url": "http://my-example/fhir/StructureDefinition/source_path",
                    "valueUrl": "file:///tests/fixtures/dir_to_study/file-1.txt"
                  }
                ],
                "contentType": "text/plain",
                "url": "file:///tests/fixtures/dir_to_study/file-1.txt",
                "size": 1000001,
                "title": "file-1.txt",
                "creation": "2024-01-12T11:03:50.621012"
              }
            }
          ]
        },
        "request": {
          "method": "PUT",
          "url": "DocumentReference"
        }
      },
      {
        "resource": {
          "resourceType": "DocumentReference",
          "id": "6d87f5e0-e5ce-572d-95b9-2e210ed01254",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "6d87f5e0-e5ce-572d-95b9-2e210ed01254"
            }
          ],
          "status": "current",
          "docStatus": "final",
          "subject": {
            "reference": "Specimen/4ee612b5-1eb7-5d53-b6c0-3836a69f90e9"
          },
          "date": "2024-01-12T11:03:50.613771+00:00",
          "content": [
            {
              "attachment": {
                "extension": [
                  {
                    "url": "http://my-example/fhir/StructureDefinition/md5",
                    "valueString": "2942bfabb3d05332b66eb128e0842cff"
                  },
                  {
                    "url": "http://my-example/fhir/StructureDefinition/source_path",
                    "valueUrl": "file:///tests/fixtures/dir_to_study/sub-dir/file-3.pdf"
                  }
                ],
                "contentType": "application/pdf",
                "url": "file:///tests/fixtures/dir_to_study/sub-dir/file-3.pdf",
                "size": 13264,
                "title": "file-3.pdf",
                "creation": "2024-01-12T11:03:50.613771"
              }
            }
          ]
        },
        "fullUrl": "DocumentReference/6d87f5e0-e5ce-572d-95b9-2e210ed01254",
        "request": {
          "method": "PUT",
          "url": "DocumentReference"
        }
      },
      {
        "resource": {
          "resourceType": "Specimen",
          "id": "4ee612b5-1eb7-5d53-b6c0-3836a69f90e9",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "S3"
            }
          ],
          "subject": {
            "reference": "Patient/60edaa4e-fdfa-56f7-90b6-706513a2c447"
          }
        },
        "fullUrl": "Specimen/4ee612b5-1eb7-5d53-b6c0-3836a69f90e9",

        "request": {
          "method": "PUT",
          "url": "Specimen"
        }
      },
      {
        "resource": {
          "resourceType": "ResearchStudy",
          "id": "12e0d30d-84d8-5968-8ca4-54b9fc3424c4",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "test-test001b"
            }
          ],
          "status": "active",
          "description": "Skeleton ResearchStudy for test-test001b"
        },
        "fullUrl": "ResearchStudy/12e0d30d-84d8-5968-8ca4-54b9fc3424c4",
        "request": {
          "method": "PUT",
          "url": "ResearchStudy"
        }
      },
      {
        "resource": {
          "resourceType": "ResearchSubject",
          "id": "4729fac4-c3a1-56ac-92a5-f9741a04343c",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "P1"
            }
          ],
          "status": "active",
          "study": {
            "reference": "ResearchStudy/12e0d30d-84d8-5968-8ca4-54b9fc3424c4"
          },
          "individual": {
            "reference": "Patient/fe902aaa-ad33-5750-a9f2-270fc0bae32a"
          }
        },
        "fullUrl": "ResearchSubject/4729fac4-c3a1-56ac-92a5-f9741a04343c",
        "request": {
          "method": "PUT",
          "url": "ResearchSubject"
        }
      },
      {
        "resource": {
          "resourceType": "ResearchSubject",
          "id": "e7532979-284d-5dd6-ac7a-8b14ee931462",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "P3"
            }
          ],
          "status": "active",
          "study": {
            "reference": "ResearchStudy/12e0d30d-84d8-5968-8ca4-54b9fc3424c4"
          },
          "individual": {
            "reference": "Patient/60edaa4e-fdfa-56f7-90b6-706513a2c447"
          }
        },
        "fullUrl": "ResearchSubject/e7532979-284d-5dd6-ac7a-8b14ee931462",
        "request": {
          "method": "PUT",
          "url": "ResearchSubject"
        }
      },
      {
        "resource": {
          "resourceType": "Patient",
          "id": "fe902aaa-ad33-5750-a9f2-270fc0bae32a",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "P1"
            }
          ],
          "gender": "male"
        },
        "fullUrl": "Patient/fe902aaa-ad33-5750-a9f2-270fc0bae32a",
        "request": {
          "method": "PUT",
          "url": "Patient"
        }
      },
      {
        "resource": {
          "resourceType": "Patient",
          "id": "60edaa4e-fdfa-56f7-90b6-706513a2c447",
          "identifier": [
            {
              "use": "official",
              "system": "https://my-example/test-test001b",
              "value": "P3"
            }
          ]
        },
        "fullUrl": "Patient/60edaa4e-fdfa-56f7-90b6-706513a2c447",
        "request": {
          "method": "PUT",
          "url": "Patient"
        }
      }
    ]
  }