{
  "manageEntity": {
    "action": "Save",
    "entityId": "2032571375",
    "entityType": "Track",
    "nonce": "0xfc4a3ff5671cfbae385b9a8e27f6d417af273c6bdc1fc4817dac7fdde16f23aa",
    "signature": "0x83d80f6347e64cffa9d9c10c1829adcc0120f9856d590e485660326134ddfe0f09bad9e66d49a03657977151ce7cf797c5ebcbba894d8208036cb7b18afdafca1b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}