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The data stored in the S3 bucket is in Protocol Buffer format (https://developers.google.com/protocol-buffers/). Furthermore, the data can be either High Speed Motion Data or Location Event Data. The the "protobuf" file that can be used to generate stub code for parsing the message structure of High Speed Motion Data is beaconmetrics.proto and similiarly the file necessary for Location Event data is locpb.proto (more information regarding the syntax of the .proto file can be found here).
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