{
  "npcs": [
    {
      "id": "npc:sha256:99a16589618a04f535a7d21fdcc71a0b1c05d22f752cd492065b1086d97bc3d7",
      "name": "Mira Thorn",
      "source_refs": [{"source_id": "session-alpha", "start_unit_id": 1, "end_unit_id": 2}]
    }
  ]
}