[FieldOffset(0)] public ulong Full;

        [FieldOffset(4)] public uint High;

        [FieldOffset(0)] public uint Low;

        public EntityId(ulong rawGuid)
        {
            Low = 0;
            High = 0;

            Full = rawGuid;
        }

        public EntityId(uint guidLow, uint guidHigh)
        {
            Full = 0;

            Low = guidLow;
            High = guidHigh;
        }