Features.vendor				max_size:33
Features.device_id			max_size:25
Features.language			max_size:17
Features.label				max_size:33
Features.revision			max_size:20
Features.bootloader_hash		max_size:32
Features.model				max_size:17
Features.fw_vendor			max_size:256
Features.fw_vendor_keys			max_size:32

Ping.message				max_size:256

Success.message				max_size:256

Failure.message				max_size:256

FirmwareUpload.hash			max_size:32
