{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "2087228552",
    "entityType": "Track",
    "nonce": "0x5680f62af31f325ebd224b01e335206bd18d0739a275c7928b11f8bf3b42b2c4",
    "signature": "0x60ae39f22a48dc5768e1b14366484f429d452ef73207b3403d0e901ef008dc873a6dcad76bca54a6d1d02fc07abf461f3af6903173b7b17794a96b2b312edabc1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}