Caitlyn Jenner is facing a new class action lawsuit over her $JENNER meme coin ... with investors claiming they got burned in a celebrity-fueled crypto cash grab. According to the explosive 97-page filing, obtained by TMZ, a man named Lee Greenfield claims Jenner and her manager, Sophia Hutchins , orchestrated a crypto pump and dump after hyping up a token pair -- promising the project was a long-term play while encouraging fans to buy in. The suit claims Jenner repeatedly told followers she