{
  "manageEntity": {
    "action": "Download",
    "entityId": "1529557073",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Frankfurt am Main\",\"region\":\"Hesse\",\"country\":\"Germany\"}}",
    "nonce": "0x7f93c6d376a41023fa202c0bb57da59fbe00f6fb2445d59d23361196f0951031",
    "signature": "0xb254c5d2ed5ab3461b1ded8038cfdc8ee9a61b6b36d1cd066914e12289469ddf3ce3a10db7a0ca014c0ee1291d85b619ce8c50b75a96e70209ebfbf3cb8664aa1b",
    "signer": "0x72ceB0dCFF5926C969e1eafbF77CDE9cBb263416",
    "userId": "912829211"
  }
}