gremlin-tools/gremlin-io-test/src/test/resources/org/apache/tinkerpop/gremlin/structure/io/graphson/_3_5_1/sessionclose-v2d0-no-types.json

{
  "requestId" : "cb682578-9d92-4499-9ebc-5c6aa73c5397",
  "op" : "close",
  "processor" : "session",
  "args" : {
    "session" : "unique-session-identifier"
  }
}