{
  "manageEntity": {
    "action": "Download",
    "entityId": "427559051",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Frankfurt am Main\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0x2c6669a0b0e5a03f287adcebeecb2083927724093ca07366c97a219ca592e54e",
    "signature": "0x038005d5c4c801c332e7f30100490c5a9ac979fe7311eb52f8259ef7c7d101987ed7abe78400bf053b559b084ee9d911ef272ad8b45fd543f1d98a3d3c8d475c1c",
    "signer": "0xb2E0A2cB5F1348282E6BD2423e832E1fcD027925",
    "userId": "751121190"
  }
}