{
  "manageEntity": {
    "action": "Download",
    "entityId": "610469855",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Diego\",\"region\":\"California\",\"country\":\"United States\"}}",
    "nonce": "0xa6d0816af3c7f84bacbd3ef91cfe0293b32cada4b8b15fe7a5d3757d0c97de06",
    "signature": "0xaf84817972ad77eed546ad5cb6e45e737cb887aeaadb26aded58baa437fe0f050b7c52fe896af5ae00ad3b661fa32538e1c18576266b18cb5b6b167824a57c481c",
    "signer": "0x08131eea47D43D05EF7aaf7654b16208C12141FB",
    "userId": "692041094"
  }
}