{
  "manageEntity": {
    "action": "Save",
    "entityId": "793761338",
    "entityType": "Track",
    "nonce": "0xdeceb4086d8534a23365b3320f2f01ca871e79d660ca64d04871f22d8c788b23",
    "signature": "0x5e0544e137f1c1ba03f655f29595eaee2a56e06b6aff7158f1f3af9da94924dc1efdbe7d9ca8638c7cccc27df768ddd66f8271684115e0c21c019ca9bf3410521b",
    "signer": "0xb6B208a8f79b1D88d245afa5aDB0a40d38cd6DD1",
    "userId": "528688046"
  }
}