{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1650430798",
    "entityType": "Track",
    "nonce": "0xdaa8220dd28d2e9647c239ddf15d45462180611994961161ebfa0c6e33f35155",
    "signature": "0x98a191812d66f072f6f0dfe47a7566b71f55f1681a246f3f997f1c1acdcae390482e432ccc8fb84476bfe3a88cdeb5abeea9328f34351dea85d688b6ba8372731b",
    "signer": "0xD2F2E85916598FFb221B3d399A164cD39bd24DD7",
    "userId": "132339661"
  }
}