{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "231676646",
    "entityType": "Track",
    "nonce": "0xfa1402f9b3f22668c1a80b73cfaf3a0e94f63cbf0946156397a6e1d94f382c61",
    "signature": "0x9236925ddf496a2f07fe7d5987d4cbc611b0f9b380488f4e1f29813dd83a0e234b43b8d934178fe0fbf74ff5bb2ce8153a00c8a24ee133ed84c3035ff6fe1c6a1c",
    "signer": "0x27204C77Baa4a510c92A96A4ba3661CC53EE568E",
    "userId": "35918963"
  }
}