744 Assessment of safety and immunologic activity of nemvaleukin alfa in patients with advanced solid tumors treated with less frequent intravenous dosing (ARTISTRY-3) by Aranzazu Manzano, Emiliano Calvo, Sarina A Piha-Paul, Yangchun Du, Nehal J Lakhani, Rita Dalal, Alexander I Spira, Sonali Panchabhai, Justin A Call, Maria J de Miguel, Shwetha Asha, Clifford DiLea, Bhaskar Rege