PackedMemorySnapshot is a compact representation of a memory snapshot that a player has sent through the profiler connection.
| connections | Connections is an array of from,to pairs that describe which things are keeping which other things alive. | 
| gcHandles | All GC handles in use in the memorysnapshot. | 
| managedHeapSections | Array of actual managed heap memory sections. | 
| nativeObjects | All native C++ objects that were loaded at time of the snapshot. | 
| nativeTypes | Descriptions of all the C++ unity types the profiled player knows about. | 
| typeDescriptions | Descriptions of all the managed types that were known to the virtual machine when the snapshot was taken. | 
| virtualMachineInformation | Information about the virtual machine running executing the managade code inside the player. |