{ "items" : [
    { "id" : "https://play.spotify.com/track/0t4a5cjK9xUTz4cgrf4nwq"
      "properties" : {
        "http://rdfs.org/ns/void#sparqlEndpoint" : [ "http://covidontheweb.inria.fr:8890/sparql/"] } } }
