{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x91df3e8d58a0266cddb8e7f681adb07b995e328528a60d774e515847728b9a6c",
    "signature": "0xfdf65bfeb479c481e9cc02e4b31f6e8a8409db7fe4fd1feed74ada5570c2d9ba79a396104b3b3299f30a1a58a55dbea6b13c99688d65bfab4fff17a02346070f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}