It was set to application/json but should be text/plain.
MGBU367JZA54QKQTVNATFRC3MBMXT2CEJXCCC4CEFLP7GXL63K7QC
HPEG2RHVNHOPB5T4ZRXANIRBMVOVY3B5GFETJRYOTDJFVAYH2TQAC
SHYRGAWZFYGRWCRB54TYL2GTU3B4WMQ3J5H4ZHGV27W7PUQN3EWQC
BKOIYITRBRVU4D7XFAZPV5QHAPCBMIO3SBNHYJ6TVT43WR32CTHQC
sub scmdiff : Chained('api') PathPart('scmdiff') Args(0) {
sub scmdiff : Path('/api/scmdiff') Args(0) {