Why is PASOE WebHandler escaping slashes in the JSON request content?

I'm using Progress OpenEdge 11.6.1 on Windows Server 2012. I'm converting some APIs that used the REST Adapter to now use a PASOE WebHandler. The same JSON request content is giving different results between the two. In the request I pass a Progress-formatted date, such as

"FieldValue": "11/30/2016"


The REST adapter API gets that exact value for the date and processes it successfully. However the WebHandler API gets

11\/30\/2016


The slashes appear to be escaped with backslashes, which causes an invalid date error. How can I avoid this? Do I have to write a function to strip the backslashes or is there a setting I can change to prevent the escaping?

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