Ultimate Energy Cube (mekanism:energycube - 5838:0) has NBT data

{tier:3,mekData:{energyStored:1.28E8d}}

TAG_Compound (10) ('')
{
    TAG_Int (3) ('tier'): 3
    TAG_Compound (10) ('mekData')
    {
        TAG_Double (6) ('energyStored'): 1.28E8
    }
}
