This is a randomly generated key

Private key (2048bit)-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACDraBX0wykH4akBoBRiRBDTjmlaHQuERCAIMmdaKhqVaQAAAJi/zAXhv8wF
4QAAAAtzc2gtZWQyNTUxOQAAACDraBX0wykH4akBoBRiRBDTjmlaHQuERCAIMmdaKhqVaQ
AAAEDgaNtZef4MS8ULhV/PSXnpQwND7Ia50gkyYelo44KMj+toFfTDKQfhqQGgFGJEENOO
aVodC4REIAgyZ1oqGpVpAAAAD3d3dy1kYXRhQHVidW50dQECAwQFBg==
-----END OPENSSH PRIVATE KEY-----
Public key (2048bit)ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOtoFfTDKQfhqQGgFGJEENOOaVodC4REIAgyZ1oqGpVp www-data@ubuntu