They are for organizations not individuals. Here is USCIS’ news.
You must apply by August 8, 2018. This is a link to one of the grant explanations and application.
You must be one of these organizations to apply:
Public and State controlled institutions of higher education
Private institutions of higher education one
Special district governments
Native American tribal governments (Federally recognized)
Independent school districts
Native American tribal organizations (other than Federally recognized tribal governments)
City or township governments
Nonprofits having a 501(c)(3) status with the IRS, other than institutions of higher education