To complete support for JSON in SDMX, please consider adding the Data Registration as a SDMX JSON format. Please see [here](https://demo.metadatatechnology.com/FusionRegistry/ws/public/sdmxapi/rest/registration/1172c68d069d4adb88a52caab11a688) for an example of a SDMX Data Registration With an example [here](https://demo.metadatatechnology.com/FusionRegistry/ws/public/sdmxapi/rest/registration/1172c68d069d4adb88a52caab11a688?format=sdmx-json) in JSON format