{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "49853566",
    "entityType": "Track",
    "nonce": "0x79cc0653379835dc4f8be7f36ab295b8498c6777a5d533f908481bfae2f073ff",
    "signature": "0x5b4755b041093a59490d98d89cc75bae277b2e9295a916e5fcc404de55584f367bb4cc62f4b671ca7a05b3f44dfbf6c1c987c6a336627a4870c016ac3e2c6a701c",
    "signer": "0x05B9DC24f2f8cc7238372bF8098046A11488bf52",
    "userId": "3506028"
  }
}