{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xbcb0fcfeb52baa895102a4a85c45759ba35c292a36e8acb0e03aa6909f0f0d2b",
    "signature": "0x862a1d5d0a3d9f6085aa529b27dd217b4bd3a4350476f3ab1c84a665897025977362c0188aa220a9079d50f8073904be152f22e09bac42733d8693ba7b8e00e91c",
    "signer": "0x4771D256e7217EB6B247e8cBaFbbCb199424a6b2",
    "userId": "836389559"
  }
}