<64 bytes: Application ID (such as from MOZ_APP_ID) Example: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
1 byte: null terminator
<64 bytes: chanel channel name (such as from MOZ_UPDATE_CHANNEL) Example: default
1 byte: null terminator
<32 bytes: product version string (Examples: 12.0.1.5371, 12.0a1)