/give @p minecraft:player_head[
minecraft:profile={
properties: [{
name: "textures",
value: "eyJ0ZXh0dXJlcyI6eyJTS0lOIjp7InVybCI6Imh0dHBzOi8vdGV4dHVyZXMubWluZWNyYWZ0Lm5ldC90ZXh0dXJlL3VuZGVmaW5lZCJ9fX0="
}]
}
]
A pixelated soldier in a white and black uniform with a white helmet, holding a gun and wearing a black and white striped vest.