{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "55092442",
    "entityType": "Track",
    "nonce": "0x61026ba428db7e2cda91ce56ff8a442c1ed8aeca1288d7a93b6f6011bef241bb",
    "signature": "0xca93293ca3197f08fea0ee496e8b3da03e6f1a12da04239bc79dbdf3e41d84c37641b55f5db2382a75a7df0d7304cc757307106ddec35f3e7da6763a199a366f1b",
    "signer": "0x84B42609E987DD0953e02498E61987fB833B7C92",
    "userId": "887547386"
  }
}