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 action142QBKRVS7WSHY48q5aeCUhE5VbYX2NAKm+UdPSPcwmIFQwEMWJX3n8C8uC8oMqPud906Tz5r6Es8ggrycQCa155Je0iFNyWfWVks2PqQI5+QPL9mxu2RK/8CEI=