-----BEGIN BITCOIN SIGNED MESSAGE-----
Hello!
This is enzogla and I'm signing this message to prove that this address belongs to me.
-----BEGIN BITCOIN SIGNATURE-----
Address: 1EnzoN4HyFkscDx28SnZvi4PCoKmyYoaMB
HDWaqzcuR5CX9F78XFptZeE2kr7mgp8mTFub4oQ5IsX+e9z2f0JtcKUDY2s7JxV8BPPLuFfod8EBsG8ty0229b8=
-----END BITCOIN SIGNATURE-----
Quoted and verified with Bitcoin Core. Note that it's better to add the date to the signed message.