{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x5fd84f55b1bbf9a6713c1f03d31b854d3fd5edcf04263487d63878b6c9383fdb",
    "signature": "0xc0984c6f9faafdb337635642cf0a6102339d7d165c7f74042b1d7c72fa0bc536364ffbfa45ce9501c59d0c8c94d96ba112f6029aff5b6690c99a257625fa36041b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}