Kathy Martin Harrison didn’t remember she had signed a waiver. After all, it was 22 years ago. But after seeing herself on ESPN’s “The Last Dance,” her phone blew up and she became a viral meme, the light went on. “Before the game started, a national TV guy came up to us and said, ‘Look, we’re filming a lot of footage of Michael Jordan for a movie,’” Harrison recalled in an appearance on Dan Dakich’s radio show Monday. “‘And if we show you in any of the footage, would you sign a release?’ We signed a release.”