{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9f22a80dcfedca672a733d5471a0b78b088d0c4db7aaf80f439e0c7dff5aa95d",
    "signature": "0x2f6be59c1908b93989a62f34bfc6ac1eb9e06f479519441bf622435e96d03fc03537d3cf6b58938ca8f7c556807c7c6d4c8648cba5b118be9065b8a6132f7f951c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}