bG9zaW5nIG1vdGl2YXRpb24gYmFkbHkuIEkgY2FuJ3QgZXZlbiBmaW5pc2ggdGhlIDEwMHRoIG1lbWUgYXQgYWxsIGF0IHRoaXMgcG9pbnQ=
It’s base 69 -5
I know what b64 is