{"_schemePositions":[{"X":0.0,"Y":0.0,"Z":0.0},{"X":0.0,"Y":0.0,"Z":0.0},{"X":0.0,"Y":0.0,"Z":0.0},{"X":0.0,"Y":0.0,"Z":0.0},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-98.81303405761719,"Y":-1.3335332870483399,"Z":279.4742431640625},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-98.73805236816406,"Y":-1.3335332870483399,"Z":-40.66666793823242},{"X":-80.21468353271485,"Y":-1.3335332870483399,"Z":-23.806894302368165},{"X":-271.58740234375,"Y":-1.3335332870483399,"Z":-0.2819622755050659},{"X":-254.03269958496095,"Y":-1.3335332870483399,"Z":0.6666666865348816},{"X":-239.42800903320313,"Y":-1.3335332870483399,"Z":24.642623901367189},{"X":-24.136337280273439,"Y":-1.3335332870483399,"Z":200.2055206298828},{"X":80.83333587646485,"Y":-1.3335332870483399,"Z":163.83712768554688},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-79.16667175292969,"Y":-1.3335332870483399,"Z":289.866943359375},{"X":-159.2522735595703,"Y":-1.3335332870483399,"Z":305.03564453125},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-61.57658767700195,"Y":-1.3335332870483399,"Z":0.26075702905654909},{"X":79.29751586914063,"Y":-1.3335332870483399,"Z":192.9099578857422},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-120.338134765625,"Y":-1.3335332870483399,"Z":66.77474975585938},{"X":0.0,"Y":0.0,"Z":0.0},{"X":-15.817597389221192,"Y":-1.3335332870483399,"Z":119.8502426147461},{"X":79.77825164794922,"Y":-1.3335332870483399,"Z":143.32293701171876},{"X":0.0,"Y":0.0,"Z":0.0},{"X":0.0,"Y":0.0,"Z":0.0},{"X":80.47882843017578,"Y":-1.3335332870483399,"Z":178.76889038085938},{"X":-170.5384979248047,"Y":-1.3335332870483399,"Z":400.392333984375}],"_schemeStates":[False,False,False,False,False,True,False,True,True,True,True,True,True,True,False,True,True,False,True,True,False,True,False,True,True,False,False,True,True]} норм такую строку в PlayerPrefs загонять?

Лучше сериализируй класс в json и сохраняй в файле

Увы но в браузере это не работает)