{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0e8e5dd15c0989c69c162a3ba463dbfc8c1afe142f39e24aa5f522e1a3eddd88",
    "signature": "0x83e0147151fc5e7b1cd64c8c35741f4d7c20e79d38449df9aa47e2f67efd23723ff4e4f0a121ed11473d755b3c8b08669e130b3408f4ab15b8b795419afaa4561c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}