Kafka ConsumerOffsets topic parser parses the binary data from the consumer offsets topic and converts into JSON strings which can further used to analyze and monitor.
You can read more about this at the below link https://medium.com/@phanikumaryadavilli/parsing-apache-kafka-consumer-offsets-using-kafka-command-and-java-api-58880a62371d?source=friends_link&sk=0da4143b32173a4d473aafdab5620091