The address of the picture returned by the backend is 64-bit, but it does not contain the previous data type name, only the following data encoding, how to display it?

the address of the picture returned by the backend is 64-bit, but it does not contain the previous data type name, only the following data encoding, how to display it?

Htm
Mar.05,2021

I don't know what you mean by 64 bit, but it should be base64

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<img src="data:image/png;base64," />
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