{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x45e9047128de7634cf7bb710c8590a387a81a07de250a1b9a8d380e23d088224",
    "signature": "0x3962f86785df3f498c2ba9eb2e85bff1198ec0a0a22e6da0e9d02dd426b698f571ea3ca6ccb4d35d4d606c29cf77a31a3d9ef3d64c426931a1cce29518aa56a31b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}