{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x071c3811c0ad6f7a3d9de3c6f872cd74c5ecd369ec9af56a0692e3afaa1fb3ab",
    "signature": "0x74da397cb847beb7135fb249107eaf0c9c5abd58c5725be5dd2365614bb976e9012d249629d409cd7736f484937596b20229009a4950df31f7338d8a225d795f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}