This is a randomly generated key

Private key (2048bit)-----BEGIN OPENSSH PRIVATE KEY-----
b3BlbnNzaC1rZXktdjEAAAAABG5vbmUAAAAEbm9uZQAAAAAAAAABAAAAMwAAAAtzc2gtZW
QyNTUxOQAAACDml1+QUg0MVcPNYVnBiP38ta5rmpQP4OnHY1i8PzAVrwAAAJhUeBMVVHgT
FQAAAAtzc2gtZWQyNTUxOQAAACDml1+QUg0MVcPNYVnBiP38ta5rmpQP4OnHY1i8PzAVrw
AAAEBUssYwlSDsb7B1xW7OeDskWZ5ePTH87fYwZw71zNeBiuaXX5BSDQxVw81hWcGI/fy1
rmualA/g6cdjWLw/MBWvAAAAD3d3dy1kYXRhQHVidW50dQECAwQFBg==
-----END OPENSSH PRIVATE KEY-----
Public key (2048bit)ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIOaXX5BSDQxVw81hWcGI/fy1rmualA/g6cdjWLw/MBWv www-data@ubuntu