The LD option is not working

[jmormal]

the LD option is not working currectly. The subscription is not working

curl -G -X GET 'http://localhost:8668/v2/entities/urn:ngsi-ld:Device:filling001/attrs/filling' -H 'Accept: application/json' -H 'Fiware-Service: openiot' -H 'Fiware-ServicePath: /' -d 'limit=3'
{
"description": "No records were found for such query.",
"error": "Not Found"
}