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RAK RAK7431 Quick Start Manual page 14

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Figure 20: Subscribed topic data
Notice that the data field is in base64 format, which has to be converted to hex string to be useful. We can
change the data format from the built-in server settings.
6. This is done by going to Gateway>Application>Integrations>Data Encode/Decode Type and chose HEX
String form the drop-down menu. Press Save & Apply.

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