{
  "manageEntity": {
    "action": "Download",
    "entityId": "1561285586",
    "entityType": "Track",
    "metadata": "{\"cid\":\"\",\"data\":{\"city\":\"Tilbury\",\"region\":\"England\",\"country\":\"United Kingdom\"}}",
    "nonce": "0xed205c9ff3b91cb2541279728cc25e1791f523ff44411d3b1466bcc4d2aa90ab",
    "signature": "0x17a4b30b10f10b1e72c3323622dc434543d371b3024a290a4abf384f598f624a73c41f2fac2e6b6e38d7410b2b4e3118ac3344cf81a4afb181c5de964336ee7a1b",
    "signer": "0x26533aa9EdEf3647F06cd135f341B7a70A3B7d59",
    "userId": "355733"
  }
}