Drop #650 is 56 !'s.
I believe this was a hint at the upcoming acquittal vote, 56-44.
We already have 53-47 Majority in the Senate, then this was published a few days ago.
https://www.politico.com/news/2020/01/28/trio-democratic-senators-consider-acquit-trump-108130
Graham seems to confirm this today.
https://www.youtube.com/watch?time_continue=30&v=roGad_sOSTk
You guys should also check out these threads, they're quite good.
https://twitter.com/QBlueSkyQ/status/1222263900307062786
https://twitter.com/GregRubini/status/1224032355293241346