@startuml
Client1 -> Server: Send Message (PubKeyClient2 +  Payload)
Server --> Client1: Ack Message (Server UUID +  DateReceived)
Client2 -> Server: Get Messages (PubKeyClient2 + IpPublish)
Server --> Client2: Available Messages list (UUID list cyphered with PubKeyClient2)
Client2 <- Server: Get Messages (decoded UUID signed with PK)
Server --> Client2: Messages [](PubKeyClient2 + Payload)
@enduml