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 actionQYKV5S06GH1HGQVKxyGy7CbuAwvrUcD9N6BBbwEfvwodw4xAqb4+gTbkn177ZMWvL79ZQY4RZe+j003rSgVp8xVULPFqIbrvDWsLoKQcbvZp4sRg2S5kzJ04msQ=