-e 's|"id": "[^"]*",|"id": "XXXXX",|g' \
-e 's|"Date": "Fri, 05 Jan 2001 [^"]*0000"|"Date": "GENERATED_DATE"|g' \
-e 's|"filename": "signature.asc",||g' \
-e 's|"id": "[^"]*",|"id": "XXXXX",|g' \
-e 's|"Date": "Fri, 05 Jan 2001 [^"]*0000"|"Date": "GENERATED_DATE"|g' \
-e 's|"filename": "signature.asc",||g' \