{
    "object": "list",
    "data": [
        {
            "id": "msg-abc123",
            "type": "message",
            "role": "assistant",
            "content": [
                {
                    "type": "output_text",
                    "text": "今天的天气真不错！"
                }
            ],
            "status": "completed"
        }
    ],
    "first_id": "msg-***456",
    "last_id": "msg-***123",
    "has_more": false
}

{
    "error": {
        "code": "invalid_value",
        "message": "parameter check failed, before id message-abc456 not found",
        "param": "before",
        "type": "invalid_request_error"
    },
    "id": "as-***ip9k3"
}