{
  "manageEntity": {
    "action": "Download",
    "entityId": "615251312",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Roubaix\",\"region\":\"Hauts-de-France\",\"country\":\"France\"}}",
    "nonce": "0x5bc20c9631860ec50d8bda89fd37b28b55ec4f4ca26883a3af5d2f096e072fb3",
    "signature": "0x48a981d14cb3189af230f3b3ad3c0c93ad953bd3b7391fe7661e43228b5d845e1a38e1b2616811e07180e987777d6e008ed128fa4cb41211aac05f8daf3365241c",
    "signer": "0x1faa29dCF36c31c6d9F976549070ba5CD16741b6",
    "userId": "852428291"
  }
}