{
  "manageEntity": {
    "action": "Download",
    "entityId": "198228098",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Frankfurt am Main\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0x8c5b163e3390fa799f01bf202b310f2ecf44e73cc8cb46138de314c986c2a57c",
    "signature": "0xee28549f0aeae8d669b2c5866e8437d985a4d2c179115458c908a889aae414481bc3f5c6db55470f9b6660a69c2a3314df35a4897cfe4f1e9ef2ecdafb39038c1b",
    "signer": "0x39Ee5CE09851e3027d612276AD7A97737C195e34",
    "userId": "16487"
  }
}