{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "593647827",
    "entityType": "Track",
    "nonce": "0xec35225567f50cc029405fff9a497f24f139de544caba73251e4234e1d65e7a2",
    "signature": "0xb4fca40d496c883ca30bd74edb09d1130499d989829f63e77a1cd8fc4bd1d9cd1bdebe508a454137055ac4a04bd807e8a3b864d07ef5da0cf77e65b1cff0dfe71c",
    "signer": "0x33f382EDCffAb949217fCe2FE903B06772B08772",
    "userId": "286577354"
  }
}