Modify protobuf data on the fly. Removed unwanted stuffs so it will run faster than before.
Install ctypes module and load protomitm then call Asm/Disasm functions according to your needs.
Write a script for mitmproxy save protobuf binary content to file called proto then call Disasm func
Make changes to disassembled file ext and assemble it by calling Asm func, set pproto to request/response