400: {"error":"invalid_grant","error_description":"Please check the 'sub' claim. The 'sub' specified

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poorva25

• June 11, 2020 08:18

Hi,

• I am doing box integration with Salesforce. We are using JWT for authentication. While authentication we are getting invalid sub error. I am passing the enterpriseId in string format and also my app has permission for generating user token and perform action as user. What else could be reason for this error.

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  cbetta

  • June 11, 2020 08:49

   

   

  When the sub is your enterprise ID, then the box_sub_type needs to be enterprise.

   

  sub: config.enterpriseID,
  box_sub_type: "enterprise",

   

  Similarly when trying to create a JWT for a user the sub is your user ID and the box_sub_type should be user.

   

  Can you make sure that this is correct in your claim? You can see a full example over here.

   

  https://developer.box.com/guides/authentication/jwt/without-sdk/

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