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"type": "sa_car_counter"
- always has the same value"sensor_id"
- sensor hardware ID in hex format"timestamp"
- Unix-timestamp of event"counter"
- number of detected cars. The maximum value is greater than 2 billion. This should be enough for most cases."errors"
- list of errors or null. Supported error list can be different for different firmwares"msg_version"
- data protocol version"trace_id"
- message trace ID which can be used for development and debugging
...