@startuml
title PUML example (manual)
participant "John Doe"
participant "another-server"
participant "a-server"
"John Doe" -> "another-server": GET indirect-ping
activate "another-server"
"another-server" -> "a-server": GET ping
activate "a-server"

"a-server" --> "another-server": 200 OK
deactivate "a-server"
"another-server" --> "John Doe": 200 OK
deactivate "another-server"
@enduml