[
  {
    "id": "js1",
    "namespace": "transcript-archive",
    "content": "a",
    "metadata": {
      "sessionId": "s1",
      "chunkIndex": 0
    }
  },
  {
    "id": "js2",
    "namespace": "transcript-archive",
    "content": "b",
    "metadata": {
      "sessionId": "s1",
      "chunkIndex": 1
    }
  },
  {
    "id": "js3",
    "namespace": "transcript-archive",
    "content": "c",
    "metadata": {
      "sessionId": "s2",
      "chunkIndex": 0
    }
  }
]