{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1036504",
    "entityType": "Track",
    "nonce": "0x34cbe7a0f40f7b52fe7ba85a59900993d42a27b7d629705d5e10cb61c570a0f4",
    "signature": "0x6d101261105a7a0668d75dd0c3a78dbec3b47aa419c4901da5f0c73bc2cbca067fe085bf0f5415692e6685d9a89de04afb7016c562d881d595859b4e1caf0e281b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}