There will be nothing to sign. As with a W-2, it just provides information you will need to enter on your tax return. Two helpful links are <a rel="nofollow" target="_blank" href="
https://turbotax.intuit.com/tax-tools/tax-tips/General-Tax-Tips/How-to-File-Taxes-with-IRS-Form-1099...> and regarding how to enter the information in Turbotax, <a rel="nofollow" target="_blank" href="
https://ttlc.intuit.com/replies/4409184">https://ttlc.intuit.com/replies/4409184</a>. Because you say you earned more than $400, you are required to file even if your other income puts you below the filing threshold.
