{
  "manageEntity": {
    "action": "Download",
    "entityId": "1514238461",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Cagliari\",\"region\":\"Sardinia\",\"country\":\"Italy\"}}",
    "nonce": "0x68b188446c06791ed592dc5c8bbf602765fa10155020a3e065d52ee6ea778643",
    "signature": "0x3e3852bd8ac3db59220503b6f2d0a90918d629087d91c7522e030febedf4745e7c04dd1ace60cf855a2b5aba66e9a898f24364ef05a598612b53078ce201523e1b",
    "signer": "0x71214aDcb582235538B21960fE9660B5eb90084C",
    "userId": "50737590"
  }
}