One possibility is per the definition below from Congress of what is included in the Qualified Business Income deduction calculation, if you received a 1099 DIV with an amount in Box 5, the dividends from a REIT can be included in the calculation. 

Per the IRS recently released Notice 2019-07, the following is a definition of the income included in the QBI deduction calculation: 

Congress enacted section 199A (the Qualified Business Income Deduction) to provide a deduction to non-corporate taxpayers of up to 20 percent of the taxpayer’s qualified business income from each of the taxpayer’s qualified trades or businesses, including those operated through a partnership, S corporation, or sole proprietorship, as well as a deduction of up to 20 percent of aggregate real estate investment trust (REIT) dividends and qualified publicly traded partnership income.