Where can I find the agreement where Solera delegates key control to an Unchained Capital vault?

In your account opening documents, the Tri-Party Agreement document outlines this.

Note: No contents of this post may be relied upon as tax, legal, or financial advice, as they have not been tailored to you and have not been reviewed by any attorney, financial advisor, or tax professional. For any questions related to your own specific situation, please consult with your own attorney, tax professional, and/or licensed financial advisor.