{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9d84d207f8c8e5ea7c2614b01fc4b9341598f91bd9a4133111ea5aa738a2afca",
    "signature": "0xcaefe8eca17983016b8f2a9ba6eb6a2bc6b5ccc0c9a110ba36fda1579db76ce13c9f2e6e78e61fcafd7ff337daa1d5832a70886445da5ee0829386ba9b2365151b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}