{
  "manageEntity": {
    "action": "Save",
    "entityId": "92043782",
    "entityType": "Track",
    "nonce": "0x87e36fe5392fe04ea405e223afb15b82443ba01f447b9048702993d9b3e0926b",
    "signature": "0x491ba178bf25a7ce0707473f4d17041afc408b8d708d1a50c081962252d87b2b544791f43d2c013ba04d789250efe70c91669366521b1c74349e200a4d11c3f01b",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}