data: {"id":"chatcmpl-x","choices":[{"delta":{"role":"assistant","content":"Hello"},"index":0}]}

data: {"id":"chatcmpl-x","choices":[{"delta":{"content":" world"},"index":0}]}

data: {"id":"chatcmpl-x","choices":[{"delta":{},"index":0,"finish_reason":"stop"}]}

data: [DONE]

