[{"senderKeyId":419322889,"senderChainKey":{"iteration":1,"seed":"IE4ujlVcXml84F+IUPZXL7qnxtJMkFh4THSJxitfBW4="},"senderSigningKey":{"public":"Bedg0MlpNQ7iSNsu9e7MsYAMZheb50QFmCSP/ul8a4tJ"},"senderMessageKeys":[]}]