{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xca0d54b7eaba900ac2e60b91797bb024d81abb9384b9d54132d39985b42deabb",
    "signature": "0x423b95d48101251cab46cba1e14f9d2760b6e5839aa6f440308722c78df41e213964fbf3e055d910c017e4495f49c2d8c7e5a255b4b82ff42f5805fc968d6aeb1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}