{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xfc7b89c29b388ea6d54c386975e4dd5ee5ddb5fb35b667fc55d76e28c91644e1",
    "signature": "0x8d0b3f31d3f60eeb317b6514835f252a4f1f8a61df13b251704dcc5243b35a6a58e7897febbb73978375d3581ea4ca365853d5e5a5c8c422d059d34dd08ac4211b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}