Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/NXP Semiconductors/NeoM3/FLASHCTRL/FMSW2#0x0
128-bit signature Word 2
Word 2 of 128-bit signature (bits 95 to 64).
https://github.com/cmsis-svd/cmsis-svd-data