{
  "manageEntity": {
    "action": "Save",
    "entityId": "1233106006",
    "entityType": "Track",
    "nonce": "0x0ffea165012f5fac82a6881fd753ba5a5024cb70ce7bfdd354b84991c7317fc4",
    "signature": "0x39b5f1f8fc0135192ea6905497d4e9939f36fb916b6b3bbd8312cea4d2f0e2625a7fd2782d550eea05275844ea0f33e6a3faa0763741d725ebc68b258ddddcaa1c",
    "signer": "0x283a6Fd0bE176865B404dfc3B2805D3a2701d62e",
    "userId": "484365174"
  }
}