// ssh-keygen -Y verify -f allowed_signers -I alice@example.com -n file -s file_to_verify.sig < file_to_verify
"QOEEIvWMjz+5KSWBX8qdP8OtV0QNvynlZkEKZN0cUqGKaNXo5a+PUDyiJ2rHroPe1aMo6mUBL9kLR6J2U1CYD/dLfL8ywXsAGmOL0bsK0GRPVBJAjpUNRjpGU/",
"2FFIlU6s6GawdbDXEHDox/UoOVAKIlhKabaTrFBA0ACFLRX2/GCBmHqqt5d4ZZjefYzReLs/beOjafYImoyhHC428wZDcUjvLrpSJbIOE/",
"eVCllFvooJxoYvAjODASjAUoOdgVzyBDpFnOhLFYiIIyL3F6NROS9i7z086paX7mrzcQzvLr4ckF9qT7DrI88ikISCR9bFR4vPq3aH",