{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1494039432",
    "entityType": "Track",
    "nonce": "0x7356ba060aa72787f5a11d176a6140cfa8b33d451e6d92b1e37bdfbefd379b93",
    "signature": "0xcb447bd2d592d234e72f1aa7051b08b60a47dc396159ca853fc24c38c0bb660051fbd8136407774fe485fe7b41b9196b41715782f30ade71056de58bd6d375701c",
    "signer": "0xAd15470171ba4f01ad3C714600D9A7E9aE62485C",
    "userId": "714646433"
  }
}