Comparing HyperFFF and “traditional” G-Code for Raise3D machines I noticed that the only difference seems to be the M99123 command at the beginning of the file (identical for different STL-models):

M99123 /RKIIyAfrgVn63QgWjcMv3w/DQafsD84EnC8915R6MD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD/RKIIyAfrgVn63QgWjcMv3w/DQafsD84EnC8915R6MD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6M/RKIIyAfrgVn63QgWjcMv3w/DQafsD84EnC8915R6MD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6M/RKIIyAfrgVn63QgWjcMv3w/DQafsD84EnC8915R6MD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD0Ipw/DQafsD84EnC8915R6MD0IpD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD0Ipw/DQafsD84EnC8915R6MD0IpD0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD0Ipw/DQafsD84EnC8915R6MD0Ip0Ipw/VGrHawCYdCJaNwKoDQafsD84EnC8915R6MD0Ipw/DQafsD84EnC8915R6MD0Ipw

Any clue how this G-code command works and what is written there?