Skript Attribute

[Enchanted_Reeses]

so im trying to create a command that gives glass with speed, but i dont want to have to make a 300 line command to be run by the console heres what i got so far, any ideas?

command /glasshead:
    permission: op
    trigger:
        send "&eHere ya go %player%"
        execute console command "give %player% glass{Unbreakable:1,AttributeModifiers:[{Slot:""head"", AttributeName:""generic.movement_speed"", Amount:0.05, UUID:[I; -1, -1, -1, 1]}]} 1"