{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xff2210dfcbc264edecab0ec8d86ae4e64435748d40a4d4839323a9940a5d836a",
    "signature": "0x89a29b6515e204d390da5a79c1f8552ade0c6bb5b68f10736c66138deeed4cff3141ae6609fc0d832419d89a1fe36d52133be79590651298d9ad58adbf0a409a1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}