{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "170711",
    "entityType": "Track",
    "nonce": "0x88385eaee7234a93f98e12bca756fc5c726db85f5fbb19b9794c0067e783f821",
    "signature": "0x36b498fc4b95be88c8caae98ad73d43c86b454a2683d6e4be240490b5225c6ab6cc43daf73e603730af9fdacfe41335ba36fac7f51e59c4adc1b238c6cf818021b",
    "signer": "0x7D5Ca1488d693753630b505Ea4CedbC71C6192eF",
    "userId": "893153463"
  }
}