uint32 MESSAGE_VERSION = 0
uint64 timestamp # time since system start (microseconds)
char[25] name # either the mode name, or component name
int8 arming_check_id # arming check registration ID (-1 if not registered)
int8 mode_id # assigned mode ID (-1 if not registered)
int8 mode_executor_id # assigned mode executor ID (-1 if not registered)