Set the default version for the given entity to the specified version.
Two path params to represent entity name and version.
POST /metadata/{entityName}/{version}/default
The metadata JSON document for the given entity name and version.
Additional error codes:
- metadata:NoEntityName - no entity name specified
- metadata:NoEntityVersion - no entity version specified
- metadata:MissingEntityInfo - entity info does not exist
- metadata:MissingSchema - schema does not exist for given entity name + version