{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2a6bf8a8368bfb9d123a0d093f5916f2c528fcd90e7b5c0e887ac8be1c7937fa",
    "signature": "0x3c70156fa0e588cad853a6f49f28b670fe4d4f4bb44d2f48b49bc4b7595f1c716d38ab62250b1532d0dd063846b6c169e106b2e5d799bf6df69050401902d87e1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}