Retrieve custom data for entity
GET /api/v1/catalog/custom-dataAdd custom data for entity
POST /api/v1/catalog/custom-dataDelete custom data by key for entity
DELETE /api/v1/catalog/custom-dataGET /api/v1/catalog/custom-dataPOST /api/v1/catalog/custom-dataDELETE /api/v1/catalog/custom-data