1.15.2 EntityArmorStand doesn't work

Hi all, can somebody help me? I have no idea why isn't this working!
I'm trying to spawn an armor stand with packets for a certain player, but the armor stand is just an armor stand without the options I set. He isn't invisible as I set it, and doesn't have the name I specified!
Can someone help me?

Code (Java):

EntityArmorStand entityArmorStand = getHologramLine(loc, this.getLine(i));
            PacketPlayOutSpawnEntityLiving packet = new PacketPlayOutSpawnEntityLiving(entityArmorStand);
            ((CraftPlayer) player).getHandle().playerConnection.sendPacket(packet);


//The method
private EntityArmorStand getHologramLine(final Location loc, final String value) {
        WorldServer worldServer = ((CraftWorld) this.location.getWorld()).getHandle();
        EntityArmorStand entityArmorStand = new EntityArmorStand(EntityTypes.ARMOR_STAND, worldServer);

        entityArmorStand.setSilent(true);
        entityArmorStand.setMarker(false);
        entityArmorStand.setNoGravity(true);
        entityArmorStand.setSmall(true);
        entityArmorStand.setInvisible(true);
        entityArmorStand.setCustomNameVisible(true);
        entityArmorStand.setCustomName(IChatBaseComponent.ChatSerializer.a("{\"text\":\""+ getColor(value) +"\"}"));
        entityArmorStand.setLocation(loc.getX(), loc.getY(), loc.getZ(), loc.getYaw(), loc.getPitch());

        return entityArmorStand;
    }

Thanks,
Marcus

 

This is what's happening, there is no errors in console and here:

 

What is that mean