{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xe5b01cbdb7b3d9b4bf440006e7ed6e004f2ea728328515aab7e701d125745616",
    "signature": "0xa81314d867d5a016b51377e954aa6df5eeb2f507e635714bb7c8907d318f34672347a966da8d6120c3fb626478b81571f0295c4923f6b69d23818cf8fa42ec141b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}