How to unsubscribe multiple OPC UA nodes?

Same questions with https://discourse.nodered.org/t/opc-ua-unsubscribe-not-working-properly-sometimes/60628?u=yinjilong by @dinesh

I also meet this issue.
@dinesh Sorry for disturbing you , could you tell me how to solve it finally?
Thank you so much.

Or just delete subscription?

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Thank you for your reply.
Yes. you are right.
Delete the subscription by subscription id is the most straight method.