{
  "manageEntity": {
    "action": "Download",
    "entityId": "1381117212",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Francisco\",\"region\":\"California\",\"country\":\"United States\"}}",
    "nonce": "0x9a612938fe46bcc06e7a424c65a951a491017cd66ba90fa8f872c8ecf5e2dde3",
    "signature": "0xdbf3b024cd022bd4430eca7b97151afc084b083f04a937c33d81cff44689a8201ebc8ec5b20213e2d94a6366b342bfd027909dadab2a904a9e7ee7ed51a843bb1c",
    "signer": "0xacDcDe8b32d8E9Dd3D0A2F88F2d9059F33f38232",
    "userId": "490442939"
  }
}