{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "140294347",
    "entityType": "Notification",
    "nonce": "0x552df022a21e90409c1e9f28188d97542f1e53ed13159206bfa8e50f1d524ddc",
    "signature": "0xcf1871671b2b6cb84e4d8fee4cbf4a2ab2825d3f4ff9d6e322ac1aec202cbdd45f827d2d4a49dbccfa2ab34eba3b0e177b7e5fea6a6f44176fd4613e81fce5f01c",
    "signer": "0x5c51216FbbB9B7A562f11267f91f72A7be1e8DE3",
    "userId": "301637"
  }
}