{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xefea61183847c53d461acc42f1c8e5d0abd996d3f079b4d5624c6e1abfd25ec0",
    "signature": "0xed10c2ab552555b365bb81c097fb99a1214aef6239ed61617b4ce77856fb3dcc0ba35242ae453250addbd4e0d5268ddc49e94eb8f021c7391412bea2b1568f6f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}