dnet-hadoop/dhp-workflows/dhp-graph-mapper/src/test/resources/eu/dnetlib/dhp/oa/graph/raw/mdstore_metadata.json

{
  "_id" : ObjectId("53cf633a8274eb9536b614de"),
  "mdId" : "9eed8a4d-bb41-47c3-987f-9d06aee0dec0_TURTdG9yZURTUmVzb3VyY2VzL01EU3RvcmVEU1Jlc291cmNlVHlwZQ==",
  "format" : "oai_dc",
  "layout" : "store",
  "interpretation" : "native",
  "size" : 1
}