[Bug] Fix json parse exception in RemoteUnsubscribeEventProcessor

[lrhkobe]

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• [X] I had searched in the issues and found no similar issues.

Environment

Windows

EventMesh version

1.5.0

What happened

call /eventmesh/unsubscribe/remote

How to reproduce

call /eventmesh/unsubscribe/remote with param:

{
        "url":"http://127.0.0.1:11111",
        "consumerGroup":"consumer-group-1111-AC0",
        "topic":["bridge-test"],
        "remoteMesh":"http://127.0.0.1:10105/eventmesh/unsubscribe/local"
}

Debug logs

No response

Are you willing to submit PR?

• [X] Yes I am willing to submit a PR!

[RiemannChow]

I will finish this issue.