Anyone ever make revenue sharing deals for content? If so, what was the percentage, and deal structure? I'm dealing with seeding my site now, but want to keep c

Anyone ever make revenue sharing deals for content? If so, what was the percentage, and deal structure? I'm dealing with seeding my site now, but want to keep costs down. Thinking: x% as long as creator maintains content x% up to 3x market value of content x% up to 3x market value or x% till n time which ever is better for content creator. Thoughts?