让我们来分解一下：<start_function_call — 函数调用开始，call: — 前缀，change_background_color — 函数名，{color:<escapered<escape} — 带转义标记的参数，<end_function_call — 函数调用结束。
"discountType": "%",
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Жители Санкт-Петербурга устроили «крысогон»17:52
# Or clone from a container's current state
Identifies top three interests based on metrics like time on page, recency, and frequency of each contact