https://documented.net/2021/01/republican-attorneys-general-dark-money-group-organized-protest-preceding-capitol-mob-attack/

Here's the website originally linked in the referenced tweet, seems to be ran by a few reporters the main one being an occasional contributor to the intercept. Other news outlets have been reporting the same things about the fund, here's an NBC article that even mentions Comcast (who own NBC) as a donor, https://www.nbcnews.com/news/us-news/republican-ags-group-sent-robocalls-urging-march-capitol-n1253581