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 actionQ27XBN5B56DVJZK6yx/ZuFMp0Xa8R7ZZQb3SRlv7H2emea4mWo8rKW22fTcfAyJAf9mfY1ma+kvncjFjWFh+aHyVBW0=