{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1084198738",
    "entityType": "Track",
    "nonce": "0xf845eb56687b2f9dcce161d6d668851ebbbfa27869fc23640dfb2730d1066214",
    "signature": "0x01cc235a9544646014732bbaa95051d83806954b6294c0983d6dcf84f8bedb912d60c4761325fb4ff0d49499570524a0e19f0eaa53db1dfc1722b3b4a05ad1c21c",
    "signer": "0xDfAC0702040EaBd2d42e773014D4b014C0747D9c",
    "userId": "707937"
  }
}