List datasets

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    {
      "id": "6d0b2c7e-3a6a-4c09-9c7e-1f2d9e2d3f0a",
      "organization_id": 123,
      "updated_by": {
        "first_name": "Ann",
        "last_name": "Lee",
        "email": "[email protected]"
      },
      "log_count": 250,
      "name": "Support Conversations - July",
      "log_ids": ["..."],
      "description": "Sampled support chats for July",
      "type": "sampling",
      "status": "ready",
      "created_at": "2025-07-26T00:00:00Z",
      "updated_at": "2025-07-27T08:10:00Z",
      "completed_annotation_count": 0,
      "running_status": "pending",
      "running_progress": 0
    }
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