data: {"id": "chatcmpl-xxxxxxxxxxxxxxxxxxxxxxx", "choices": [{"index": 0, "delta": {"role": "assistant"}, "finish_reason": null}]}
data: {"id": "chatcmpl-xxxxxxxxxxxxxxxxxxxxxxx", "choices": [{"index": 0, "delta": {"content": "The"}, "finish_reason": null}]}
data: {"id": "chatcmpl-xxxxxxxxxxxxxxxxxxxxxxx", "choices": [{"index": 0, "delta": {"content": " capital"}, "finish_reason": null}]}
...
data: {"id": "chatcmpl-xxxxxxxxxxxxxxxxxxxxxxx", "choices": [{"index": 0, "delta": {"content": "Paris."}, "finish_reason": "stop"}]}
data: [DONE]