{
  "manageEntity": {
    "action": "Download",
    "entityId": "551507307",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Torremegia\",\"region\":\"Extremadura\",\"country\":\"Spain\"}}",
    "nonce": "0x46dc60e4dcb58f90b8d5c44d6514814457a381321583311d96b4a517d0ee8f27",
    "signature": "0x7604d4a67a29c591150657f6bc693595bc43b9234df2890e05736bc928030e6071a55a119ffae33c1b13ce1413d66a4f5286f0f5f1557495c50200fcd9e1e7b11c",
    "signer": "0x18a7B3405E81900d8aF72d98D5f2C54e2C988f9b",
    "userId": "42634173"
  }
}