{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xba6ec581e2a127ba179d1b62462a08a5a335c6c3c96a092c8ac10019555f681a",
    "signature": "0x5f92c214821c053deb13f6913b3f549a622147806e3ea45e0dba28703fae715f6ba7dcf7b5be9f269e03ff0698e0d0d0c081f495ec7c3be418e5f3f4a03967001c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}