The command uses the following structure:
nrfutil device read [--address ARG] [--bytes ARG] [--width ARG] [--direct] [--to-file PATH] [--serial-number ARG] [--traits ARG] [--remote-jlink ARG] [--family ARG] [--x-force-device ARG] [--x-sdfw-variant ARG] [--append-batch PATH] [--generate] [--core ARG] [--help]
To see the list of available options, run nrfutil ble-sniffer read --help.