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 actionQG3V4JBY4HRJ8E0TQDmaJD3ljLGRzT0UZd/394o0lDXV3ttobYuaZXnHm93VjBWXh7SKkshPu1W/ZUVne9Tiw52M5Uk=