{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1009000989",
    "entityType": "Track",
    "nonce": "0xc547757bed8447fc76ee52e0ead6d41988e16dc78b2b30301a4fa96a612d91ca",
    "signature": "0x195eee325a84b3450304ba8fe62cc413d9e8e4f512ae9fef89c1fbbf295d8efd193a3fc42b023a081f77d6ca9636fda7b266077e61e33254d514d9a7b405a38f1b",
    "signer": "0x136A4e19270387bc21d7e58a9592D46864B0Ad57",
    "userId": "956002390"
  }
}