{
  "manageEntity": {
    "action": "Download",
    "entityId": "1971408908",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Choisy-le-Roi\",\"region\":\"Île-de-France\",\"country\":\"France\"}}",
    "nonce": "0x82f01b393071197d477e7900c291e6671e04593d0a1fa2d89ab60de50ca08355",
    "signature": "0xda2f1b3286399285dae7a1a45db119048846d94d9f06f8fb105659d252d59afc22fa52d0794a7482eccfbccce6001e92f0a71c8f76804b99bcda0d566e773a941c",
    "signer": "0xE03d46d31CBc6970a8eB44272B49061dFE219793",
    "userId": "293209013"
  }
}