{
  "manageEntity": {
    "action": "Download",
    "entityId": "1008532",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{}}",
    "nonce": "0xf7abd93aff72325716489453d500a5789475e6532750b25f1c49dd4aa40ffa38",
    "signature": "0xd1d0fce753fd1925d8a1e7448c01339e9978e679fb2b3e43a6b27c11c9e72a5b2abfae9c0da9e90e093ab30b2890d6d9e5542bda7dd1f6719a1c4ed15fa4d4f31c",
    "signer": "0xeaeE51782bb4894387908A098D4114488f1d2585",
    "userId": "121125"
  }
}