{
  "manageEntity": {
    "action": "Download",
    "entityId": "1068978953",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"London\",\"region\":\"England\",\"country\":\"United Kingdom\"}}",
    "nonce": "0x377aac124ec3f3939b0aedcad012cb83d56e94d4599b26159b2197acd38a28f5",
    "signature": "0xf51bc42755516317fdde233ec20f9dee3b32a50fa4e5ee25e910e6672a92427c59cf4a78c8395b258d8e2ec298ba931865f87c923ac1509c969324f0d43d88161b",
    "signer": "0x3Fd8309A0f7E8Fb8281FABD2BC1C36d755880326",
    "userId": "534868031"
  }
}