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 actionT2XRRZTEC1W2B0FNLwnClcxYcQJ3O3YUW02SKh0lKmqV6ENkP6xZkBaoipI7Ixk7nVadD8B1lZUQPHYbRbawbv2ajp3zDu+4tWiDTbfxZUKuWj0Z0jJ8JZO4Xh0=