put deprecated
https://tracking.hereapi.com/metadata/v2/devices/
Updates the metadata object of the device or a shipment identified by the trackingId or the shipmentId.
The metadata specified in the request body is merged with the existing metadata object
(or gets created if no metadata object exists);
new keys are added, and the values of the existing keys are updated with the new data.
Adding 'null' value for a key deletes it from the metadata object.
Successful response body contains the updated metadata object.