Well, there's one pre-print paper that goes as far as saying that because some segments of the RNA resemble, closely, parts of HIV, that those may have been inserted by human efforts. Of course, there's been a lot of pushback to this assertion; detractor say that this "inserted segment" actually shows up in all kinds of things and it also being in HIV is not significant here.

For the article and the pushback, see this link and its comments:

https://www.biorxiv.org/content/10.1101/2020.01.30.927871v1