{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd1264ccbc0a0402a6670107056cf1fc52bada1f4a843db8639dc86d93ac6bc2b",
    "signature": "0xc22a9ee2b0f6da6eb92c052bd53b1e1740bae33e0907b1ab41b1c8e3036f503d52dc2f6d58646c4d5da59e156aafe0cf31df36feb3df56e1af4881ef470dd24b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}