{
  "manageEntity": {
    "action": "Download",
    "entityId": "56571778",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Morristown\",\"region\":\"New Jersey\",\"country\":\"United States\"}}",
    "nonce": "0x313e252292d710a0ec1bbde0be1fcb47f5fb63dec175220a4ebd3e0bb6114d1f",
    "signature": "0x8f9e3285a3fa4592cc7b0fd28e1f41c9c23fb49e7667c32a1f59d6f3055ac7ea65fe6477ddd9ffe196cb39c627fbc45e8166fe8ffa5c44aa2167a1eab0e14efa1c",
    "signer": "0x72119e5C4B7Ce3C0c856D159A264C02FA71570DF",
    "userId": "80047"
  }
}