What Do We Know About Mansamusa From Historical Documents?

Mansamusa was the grandson of sinjata kata. He ruled between 13 12 and 13 37, a relatively long reignal length. We know that he presided over the most affluent years of the empire. And on his way to mecca, he passed through cairo, and there he dispersed great quantities of gold. But from the interior, he's the ruler we know least about.