{
  "manageEntity": {
    "action": "Download",
    "entityId": "496968060",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"San Diego\",\"region\":\"California\",\"country\":\"United States\"}}",
    "nonce": "0x13e9ed96e2e635f8603b9b85ce83d97a7906e110e439b614aba691f6a95d1b50",
    "signature": "0xf191e79362aa922f22a096ebb229293ddd8092946cbec123ae225ab1b40b75751fea9623ca5119b0986dc960655eca9e55e361223c0033d055444520781c1d721c",
    "signer": "0x08131eea47D43D05EF7aaf7654b16208C12141FB",
    "userId": "692041094"
  }
}