{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "368407",
    "entityType": "Track",
    "nonce": "0xebff3ff54a3490c77227c6f2b9c07a47433fe92a647a460dcc62a91497de85a1",
    "signature": "0x7e342afd4fa35fd89e9e7a6410fa52b1e9d05bfae3e1ed24e0afe508921f71ae2619c06de36f4c50a8af8bf82d9e919c92e1f3efd7c1b26bddeef5b49106eb8a1c",
    "signer": "0xFDaA8d18dA975819Dff816CA1A274097f8a72c16",
    "userId": "36320325"
  }
}