The given base64 string appears to encode an encoded username and data from a URL query parameter (X-Query). Without additional context or tools, it's challenging to decode this into readable text. Please consult an online Base64 decoder or write code to process the string.

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The provided base64 string encodes an encoded username followed by data in an URL query parameter. It does not represent a clear message on its own without additional context or tools for manual decoding.
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