AccessDeniedUser: arn:aws-us-gov:sts::196640475515:assumed-role/preview-s3-api-gateway-role/BackplaneAssumeRoleSession is not authorized to perform: s3:ListBucket on resource: "arn:aws-us-gov:s3:::preview-piam.dev.usgov.security.cisco-1966" because no identity-based policy allows the s3:ListBucket action083GEQT6GS4ZE9M6TCwQk8cvYsjPUKihkZz2Wj35osRWGaSjQVT+BZ9Z53lI6/oPkh3PrBLgqb+GuH0EEK2ATXLgv1dR9OV2JuXW8YLeznHF1QyKG4SZrV8Gobw=