{
  "manageEntity": {
    "action": "Save",
    "entityId": "92595",
    "entityType": "Track",
    "nonce": "0x20ed5d2137baf6159a67d8792af19fd85b027ed10f347510f0b18759d1621826",
    "signature": "0xc7699a7063d0109a8a1f28d53f18efd437d8075c10bff453c66b414c4fdfee5c6ff9e782c760a1371f5e898eaeee220a5d94e2e12cd75546c02362dfb631aaf71c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}