{
  "manageEntity": {
    "action": "Download",
    "entityId": "671855012",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Las Vegas\",\"region\":\"Nevada\",\"country\":\"United States\"}}",
    "nonce": "0x0261dbd85647f27437f77cdc1efe24ff4d6e21aa34283ec19bb8937cb5caa0fd",
    "signature": "0xa4439ea5fb4192d925d3116d9456a63d473754a598da52abdefac68ea49a4cdb7593f342c5ce4eb03063a43c135e3319ef2d70f38e430823163e9bd938052baa1b",
    "signer": "0xf3BcA53FBA265774b7d4cd806361400e3c5F3526",
    "userId": "716430369"
  }
}