{
  "manageEntity": {
    "action": "Unsave",
    "entityId": "1690471824",
    "entityType": "Track",
    "nonce": "0xbbaa581249382b7ef0cc958c8705b17bd0d2e1c5cb782b3cbfcb35513855dd00",
    "signature": "0x3b7a36027b2b5c2961385da65c03ee53f4f7f2cdcc272ebb7ba3eb33cb5a63981f95409a9caa92a2c14e0b5426d79a7418edbbb63d94965f6536412ea3a5a26f1c",
    "signer": "0x481d41B4b34069e19EDC206C160447ebA0841f6F",
    "userId": "854614078"
  }
}