struct _HEAP_VAMGR_CTX// Size=0x3840
{
    struct _HEAP_VAMGR_VASPACE VaSpace;// Offset=0x0 Size=0x860
    unsigned long long AllocatorLock;// Offset=0x860 Size=0x8
    unsigned long AllocatorCount;// Offset=0x868 Size=0x4
    struct _HEAP_VAMGR_ALLOCATOR Allocators[255];// Offset=0x870 Size=0x2fd0
};