Reconstructed M115 response:

>>> M115
<<< FIRMWARE_NAME:Marlin V1.0.2; Sprinter/grbl mashup for gen6 FIRMWARE_URL:https://github.com/MarlinFirmware/Marlin PROTOCOL_VERSION:1.0 MACHINE_TYPE:M2E EXTRUDER_COUNT:1 UUID:00000000-0000-0000-0000-000000000000