PRODUCT INFORMATION BLOCK
4 bytes: Block separator with a value of 0size
4 bytes: Block identifier with a value of 1
4 bytes: Block size (Z)
<64 bytes: Application ID (such as from MOZ_APP_ID) Example: {ec8030f7-c20a-464f-9b0e-13a3a9e97384}
1 byte: null terminator