{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1059100",
    "entityType": "Track",
    "nonce": "0x7da3bf7a26845fd110aae699398ce9af7287fde280b6620b6244288651054f82",
    "signature": "0xdd942017208078cc83f0ffef3cb054847bb4ba832a8d09bd543ed813b3293c8b62043e65c9ec5226502bbc3a19368a6c53f4893a655d6120ed7daf48a4c09e1f1c",
    "signer": "0x2BD0c2111290EB20B2843e8b1c0f25aA5cd52a6f",
    "userId": "618242981"
  }
}