The storage status entity is as follows:
Entity:
Interface
StorageInterface: One of "Internal", "Tmp", "Flash", "SD1", "USB1" enumeration values which represent "/storage/sd2", "/storage/ssd", "/storage/tmp", "/storage/flash", "/storage/sd1", and "/storage/usb1" storage on the player side.
System
FileSystem: One of { "exFAT", "ext3", "ext4", "FAT12", "FAT16", "FAT32", "HFS", "HFSplus", "NTFS", "Unknown" } enumeration values
Access
AccessMode: One or more { "Read", "Write" } enumeration values
Stats
Dynamic Object: The contents of the response depends on factors such as the OS implementation, plugins, services, etc., but in general this reports the diagnostic storage status information (free size, used size, block size, etc.):
sizeTotal
long
sizeFree
long
blockSize
long