He claimed to not get paid by Trump campaign, but timing of the real estate loan payments is suspect since they appear to be pattern of money laundering where so-called loans are really payoffs involving shell companies that aren't expected to ever be paid back.
In connection with Trump/Russia, a Dem congressman recently went to Cyprus investigating money-laundering techniques using shell companies and bogus loans.
https://www.nytimes.com/2017/04/12/us/politics/paul-manafort-donald-trump.html?_r=0
After Campaign Exit, Manafort Borrowed From Businesses With Trump Ties
By MIKE McINTIREAPRIL 12, 2017
"Aug. 19 was an eventful day for Paul Manafort.
That morning, he stepped down from guiding Donald J. Trumps presidential campaign, after a brief tenure during which Mr. Trump won the Republican nomination, Democrats emails were hacked and the campaigns contacts with Russia came under scrutiny. Dogged by revelations about past financial dealings in Ukraine, Mr. Manafort retreated from public view.
But behind the scenes, he was busy with other matters. Papers were recorded that same day creating a shell company controlled by Mr. Manafort that soon received $13 million in loans from two businesses with ties to Mr. Trump, including one that partners with a Ukrainian-born billionaire and another led by a Trump economic adviser. They were among $20 million in loans secured by properties belonging to Mr. Manafort and his wife."