{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xf521f6e4d3c95f6a57c3843483242290eb8d7da5bf97573ad252117df9e5abd1",
    "signature": "0xdcd505af61abb1e883ffff1e515a7fc8fab6d59fa3f1fc37a1ce4007927dca3257d8feeaaae384257e9139b99e2e6be736b4e7b278a8a2a36fe351f323eaccf01c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}