Only care about optional callbacks when the content type is application/json
Only care about optional callbacks when the content type is application/json

androa/imbo,imbo/imbo,rexxars/imbo,androa/imbo,rexxars/imbo,kbrabrand/imbo,matslindh/imbo,christeredvartsen/imbo,matslindh/imbo,imbo/imbo,kbrabrand/imbo,christeredvartsen/imbo,TV2/imbo,christeredvartsen/imbo,TV2/imbo