Leo Kryss, the man who sold his luxurious $79 million mansion near Miami Beach to Jeff Bezos, has filed a lawsuit against the realtor who handled the transaction, claiming that the identity of the buyer was concealed, potentially costing him millions. Kryss, co-founder of Brazilian toy and electronics company Tectoy, alleges that the real estate firm Douglas Elliman and its CEO, Jay Parker, misrepresented the identity of the buyer, telling him Bezos was not involved in the purchase. A man who sold his Miami mansion for $79 million is suing the real estate firm that brokered the deal for a…