No user Data is ever saved in any other form than locally on your device to keep you logged in. 

I am still very new at this so I recommend using an alternate Nsec to test for now. 

nostr:nevent1qqsy2frfc65wue8eljxavqw38ucfqukn3lt42qed2nmq7nr5h5cuzlspzpmhxue69uhkummnw3ezumt0d5hsyg9gplz20p35acn2409vj5d5eltm26hp3w4ax0z6lh8khmtdeq8t6ypsgqqqqqqsedv3dc