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 action50WC0F362MJSNHRSC95yub7RS7llG+NWhn6aS+orXll0Hp0oRNT+bvXbRLIKlzs6x/ljrPJ7zsgNdqxcll8AsIZ2OQ+L5Wc6VrylebxHCXxEECPBO0nl6+SmDmA=