[
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    "consent_date": "2025-08-04",
    "enrollment_status": "ENROLLED",
    "member_ref": "MBR00000001",
    "subject_id": "SUBJ-00001",
    "trial_id": "ZT-2026-0002"
  },
  {
    "_dn_provenance": "SYNTHETIC",
    "arm": "PLACEBO",
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    "enrollment_status": "ENROLLED",
    "member_ref": "MBR00000002",
    "subject_id": "SUBJ-00002",
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  }
]