Editing XPJ files

Do anybody know about ACVS file that you find decompressing .XPJ file?

I saved one of DEMOs of FORCE in a SD, than i uncompressed the related .XPJ with Unarchiver
and i got an ASCII file similar to an XML

ACVS
3.0.3.13
SerialisableProjectData
json
Linux
{
"data": {
"key": "C Natural Minor",
"info": {
"title": "",
"artist": "",
"originalArtist": "",
"album": "",
"year": "",
"genre": "",
"copyright": "",
"notes": ""
},

There are also MIDI commands

"key": "Perc Kit",
"value": {
"launchQuantisation": 0,
"startPulses": 0,
"endPulses": 7680,
"loopStartPulses": 0,
"loopEndPulses": 15360,
"loop": true,
"legato": false,
"launch": 0,
"name": "ClassicHouse-Kit-Lanes 5",
"colour": 65408,
"eventList": {
"length": 9223372036854775807,
"events": [
{
"time": 0,
"type": 2,
"selected": false,
"muted": false,
"invented": false,
"note": {
"note": 49,
"velocity": 1.0,
"modifierType": 0,
"modifierValue": 0.5,
"length": 240
}