[{"senderKeyId":164664121,"senderChainKey":{"iteration":1,"seed":"SQFkexfKdP93fTSzEc/aSvlhGgYzA2vxc6fvhnxFcWs="},"senderSigningKey":{"public":"Bb0AcnzIbO0N4QgIpKgQ4XTyUg4UMlcibNw2hEw5DB5/"},"senderMessageKeys":[]}]