List transcript entries with pagination

{
  "object": "list",
  "data": [
    {
      "id": "string",
      "transcript_id": "string",
      "organization_id": "string",
      "test_mode": true,
      "role": "agent",
      "content": "string",
      "entry_type": "utterance",
      "timestamp": "string",
      "duration_ms": -2147483648,
      "session_id": "string",
      "node_id": "string",
      "question_key": "string",
      "confidence": -8388608,
      "created_at": "string",
      "object": "transcript_entry"
    }
  ],
  "has_more": true,
  "next_cursor": "string"
}