Sanaeil Center for Education, a nonprofit organization, learns that it has been named as the remainder beneficiary of an irrevocable charitable remainder trust. When the donor dies, the trust income will be distributed to the donor's spouse until their death, at which point the nonprofit is expected to receive the beneficial interest, with an estimated actuarial value of $500,000 as a permanent endowment. What journal entry would the nonprofit organization record at the time the irrevocable trust is created?