{
  "manageEntity": {
    "action": "Download",
    "entityId": "208111508",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Jose\",\"region\":\"California\",\"country\":\"United States\"}}",
    "nonce": "0x09d03d60992d510727ef2f06f82a7ae3b2b1982ef393650a8170d3fbc516e4e6",
    "signature": "0x7c6c3e678dd35ccf91a98ad68170692b3c5abf5cc2619e1225c6513d222ed1c00ff3915f7a19dcb22bbfaa8a0abaad3840a41d1aaa3295d3acc2f4706f293cdd1c",
    "signer": "0x6CDd0c0FFBA25fF3A1e67aFb0149c464d2220E65",
    "userId": "675469944"
  }
}