{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x85bdcb89564e241572cd56519765364b7a8d954036ba293374c3be722c686ec3",
    "signature": "0x9785bd60d3607cb8cea445c4b602bfea5aa25a2ca0ab00ac9263cb5f90fb1b0f0ae1c4907c40913dc7a38f1d366aedfe48cc80ba9b31cfe03e761b658b67649d1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}