*ServiceEnvelope.packet type:FT_POINTER
*ServiceEnvelope.channel_id type:FT_POINTER
*ServiceEnvelope.gateway_id type:FT_POINTER

*MapReport.long_name max_size:40
*MapReport.short_name max_size:5
*MapReport.firmware_version max_size:18
*MapReport.num_online_local_nodes int_size:16