{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1088369057",
    "entityType": "Track",
    "nonce": "0x9649b1fcf3adb9ed0d42d6aa7e8122fee06689d41f8d60058bcbab022304eace",
    "signature": "0xde073be59e45c26b921f10c4a19753308d1b9c05e3180fd76099bbcf7e1a901d0df8a18dec04464f4792450be92aebbaa1ffd71fba31817e6b098ad0c4769ced1c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}