{
   "metadata":{
      "encrypted":{
         "metadataKeys":{
            "0":"s4k4LPDpxoO53TKwem3Lo1",
            "2":"…",
            "3":"NEWESTMETADATAKEY"
         }
      },
      "initializationVector":"kahzfT4u86Knc+e3",
      "sharing":{
         "recipient":{
            "blah@schiessle.org":"PUBLIC KEY",
            "bjoern@schiessle.org":"PUBLIC KEY"
         },
         "signature":"HMACOFRECIPIENTANDNEWESTMETADATAKEY"
      },
      "version":1
   },
   "files":{
      "ia7OEEEyXMoRa1QWQk8r":{
         "encrypted":{
            "key":"jtboLmgGR1OQf2uneqCVHpklQLlIwWL5TXAQ0keK",
            "filename":"test.txt",
            "authenticationTag":"HMAC of file",
            "version":1
         },
         "metadataKey":0,
         "initializationVector":"+mHu52HyZq+pAAIN"
      },
      "n9WXAIXO2wRY4R8nXwmo":{
         "encrypted":{
            "key":"s4k4LPDpxoO53TKwem3Lo1yJnbNUYH2KLrSFT8Ea",
            "filename":"test2.txt",
            "authenticationTag":"HMAC of file",
            "version":1
         },
         "metadataKey":0,
         "initializationVector":"sOFd17hCKWIv0gyB"
      }
   }
} 
