{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xcef6c5647963de46a9e7caafdeefa612cdd66d7da1eaf21611367608bdee21d4",
    "signature": "0xd9eb6df3048b5d4e79d1a0df8c141f35dae73a5582d6928615555bb5c6a4ad1f61d37e22678dbb01d9bbc95aee09f5a90d613941f6beea59e21e414fbf4645ee1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}