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 actionECBW928HN6ZVTM9POCqm2DLzm0yDs9WScfWT0eA5Oq8pzuZUlcG32eIJGVUevCLo9o7W08O5+s3xh/4ffrWOT8v2AN1xtQtJ3VurU8k4ngXM6K43TqVRlD12nhE=