[{"senderKeyId":1245451511,"senderChainKey":{"iteration":4,"seed":"Yzj3XZW3eGNl229ooz5TQtgeoIEdpQnFsoNpVAKLhwQ="},"senderSigningKey":{"public":"BbQgKWlaiorP11n4g072gtQAcphpD65HJQzdhXahnPEc"},"senderMessageKeys":[]}]