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 action503FRNBHSTGSWKKV/xxPQUBDR3w/a6/7EAG3SIF2WcZZuDLZaGpGyTF0sZX4lBmWbVJZNX2qzh0A1iunjiyBkiVju+07jCbsiwJ0sGdrrjMDN9+AkQXXV6wjmmY=