Newly Signed Tenant wants another person to accept keys

[Jason C.]

A tenant recently signed a lease for a property sight unseen.  The tenancy commenced immediately despite the fact that they wont be able to move in right away, due to being out of town for their occupation.  The tenant is now asking if a friend of theirs can have the keys to start moving their (the tenants) items in.  Assuming the identity of the person could be verified and the tenants signs an additional form accepting responsibility for anything the person might do, would this be advisable to allow?