{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x87bba2e9773b65e62136dbb8a5ad0ba7f406a1a74071f91c7bb5a1f7d4cfd67a",
    "signature": "0x06bac7916d34e3ee604b22d90de1596273862cc03c6809519d980a86c0c32b6d58a0c7bce04bc3ca98ae05ee48066cdf7a82be8af9071bcebe4d4b37334a834d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}