The disputed comment itself, I think you would agree, is factually accurate.
Secondly, $150 billion is a high-end estimate of the total that was freed up after some sanctions were lifted. U.S. Treasury Department estimates put the number at about $50 billion in “usable liquid assets,” according to 2015 testimony from Adam Szubin, acting under secretary of treasury for terrorism and financial intelligence.
The part that the meme gets right, though, is that the deal didn’t get congressional approval.
https://www.wsj.com/articles/u-s-sent-cash-to-iran-as-americ...
https://www.washingtonpost.com/news/fact-checker/wp/2018/03/...
https://www.latimes.com/nation/nationnow/la-na-iran-payment-...
https://www.cnn.com/2016/08/03/politics/us-sends-plane-iran-...
[0] https://www.cnn.com/2016/08/03/politics/us-sends-plane-iran-...
[1] https://www.wsj.com/articles/u-s-sent-cash-to-iran-as-americ...
[2] https://www.wsj.com/articles/u-s-sent-two-more-planeloads-of...
2. The money was being returned to Iran based on an international agreement
Anyone that fails to include these critical facts is (most likely) intentionally participating in the spread of misinformation/propaganda.