[{"senderKeyId":974531367,"senderChainKey":{"iteration":1,"seed":"rDocRnrM4qp/qzNSfqF9dizXanH6iYryQ6nz9yx02iQ="},"senderSigningKey":{"public":"BcGybPkEv89UQXtnpzchySLXLcmuepiVsBOwnNt6vYwM"}}]