| 0x22 || 0x2 || Big-endian u16 size for the data starting at +0x48, must be <=0x500, and must match {total frame size relative to +0x0 above} + 0x48. | | 0x22 || 0x2 || Big-endian u16 size for the data starting at +0x48, must be <=0x500, and must match {total frame size relative to +0x0 above} + 0x48. |