MongoDB Enterprise mongos> db.version()
3.7.0-39-g4edcb81
MongoDB Enterprise mongos> db.test.insert({})
WriteResult({ "nInserted" : 1 })
MongoDB Enterprise mongos> db.test.aggregate([{$changeStream: {}}])
MongoDB Enterprise mongos> var cursor = db.test.aggregate([{$changeStream: {}}])
MongoDB Enterprise mongos> db.test.insert({})
WriteResult({ "nInserted" : 1 })
MongoDB Enterprise mongos> var resumeToken = cursor.next()['_id']
MongoDB Enterprise mongos> resumeToken
{
        "_data" : BinData(0,"gloPd0kAAAACRmRfaWQAZFoPd0nqqGI7wBtBMgBaEATw7w4oNGRFy7mutAi7yJnjBA==")
}
MongoDB Enterprise mongos> var cursor = db.test.aggregate([{$changeStream: {resumeAfter: resumeToken}}])
assert: command failed: {
        "ok" : 0,
        "errmsg" : "The resume token UUID does not exist. Has the collection been dropped?",
        "code" : 40615,
        "codeName" : "Location40615",
        "$clusterTime" : {
                "clusterTime" : Timestamp(1510963081, 1),
                "signature" : {
                        "hash" : BinData(0,"AAAAAAAAAAAAAAAAAAAAAAAAAAA="),
                        "keyId" : NumberLong(0)
                }
        },
        "operationTime" : Timestamp(1510963080, 1)
} : aggregate failed
_getErrorWithCode@src/mongo/shell/utils.js:25:13
doassert@src/mongo/shell/assert.js:16:14
assert.commandWorked@src/mongo/shell/assert.js:370:5
DBCollection.prototype.aggregate@src/mongo/shell/collection.js:1319:5
@(shell):1:18