Here is the corrected one, please update and retry
{ "Version": "2012-10-17", "Id": "http referer policy example", "Statement": [{ "Sid": "", "Effect": "Allow", "Principal": { "AWS": "arn:aws:iam::825736442345:role/Cognito_HypnostreamUnauth_Role" }, "Action": "s3:*", "Resource": "arn:aws:s3:::hypnostreamuk/*" }, { "Sid": "", "Effect": "Allow", "Principal": { "AWS": "*" }, "Action": "s3:GetObject", "Resource": "arn:aws:s3:::hypnostreamuk/*" }] }