diff --git a/codesnippet/nats.jl b/codesnippet/nats.jl
index 26968f6..1df3438 100644
--- a/codesnippet/nats.jl
+++ b/codesnippet/nats.jl
@@ -2,7 +2,7 @@
 using NATS, JSON3
 connection  = NATS.connect("nats.yiem.cc:4222")
 sub1 = NATS.reply(connection, "some_subject"; queue_group="group1") do msg
-                  payload = JSON3.read(msg.payload)
+                  payload = copy(JSON3.read(msg.payload))
                   println(payload)
                   println(msg.reply_to)
                   # publish(connection, msg.reply_to, "ACK")
@@ -71,7 +71,7 @@ outgoingMsg = Dict(
 )
 
 # may be I can't use NATS request inside NATS reply??
-_ = NATS.request(String, connection, msgMeta[:sendTopic], JSON3.write(outgoingMsg); timer=Timer(10))
+r = NATS.request(String, connection, msgMeta[:sendTopic], JSON3.write(outgoingMsg); timer=Timer(10))