{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1067860817",
    "entityType": "Track",
    "nonce": "0x3f41e74b6a6bd2b320c190ffb4be83d4366875fbceb4b2d1fb3676a9997cd152",
    "signature": "0x0a77edd2da4e2db6c12bd6bbfb11d9b2501ff914e4bdfa934e8ec0b6a70883eb1c8d45b8342c67bc7ea7dc62bb6299a452344a23a9fa974b17b75ee39a2728421c",
    "signer": "0x92328BFDeD38C9a9De6E253A0CF5CB46A3B28611",
    "userId": "831117417"
  }
}