{
  "manageEntity": {
    "action": "Download",
    "entityId": "198053127",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Marseille\",\"region\":\"Provence-Alpes-Cote d'Azur\",\"country\":\"France\"}}",
    "nonce": "0xa32f81bb10fdc5e500c5f7e251a58b1c885bece67276d1a8f53c31a9c1ecbb87",
    "signature": "0x3889ff6f3d6c9b3b91f01368261ab466fa077f568509979ca55ad3aefee736404201e682c23bbf5a17369924d7f4a10d3005c57ffefe53ebfe34ae60cd4def511b",
    "signer": "0xE51EF0CDBB6Be04222D902916F2b0f67DBAb6616",
    "userId": "1334982"
  }
}