{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1736755709",
    "entityType": "Track",
    "nonce": "0x5efee3c1b45d93c1a1b142c206969cb69429d3560c5d7626b8dfcf9dbdc8e0e4",
    "signature": "0x498353a3e6b0429d9fca3493925ac1464d827ff787efdc5b4afacf1adbce8c1e74dbeff8b343eefccceb9c36120444441db128691cb04fa10de3355460ec6fdc1c",
    "signer": "0xbe916820AF010608151C80f3A74F7c83218094B2",
    "userId": "881446128"
  }
}