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 actionPEWZ6NB4BNNGFW96NXjgOO6fcVKC2of66iggKdpoa5Yuxar22NHdCD2+iUR/BZqdW54+uEM/FDOxbWkdTxzojMcxqPMV9A73XI6jtgJW15VSp5gvwrAPovXot3c=