Vault secret injection in GKE cluster


I have integrated it on GKE cluster
Below link shows the step which i have followed

I am getting insufficient permission below is LOG
91mError authenticating: unable to sign JWT for projects/-/serviceAccounts/ using given Vault credentials: googleapi: Error 403: Request had insufficient authentication scopes."


“Reason: insufficientPermissions, Message: Insufficient Permission”

Is there any permission which i have to give cluster level and service account, and what are the permission which i have to give ?

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Hey @devnidhin7
Have exactly the same issue. Did you find any way out of it?