{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x22345daf8df1cdbfc40d385b50826589b911f977d0be8851cbd44e40d26dd1d7",
    "signature": "0xb76ed67bb4528a2f6e3e4fcc665e853f8b1519f7af8e0fe279a439fa04201b974ec20da6bd34d931b511d96a9ad7b5f41525e04d6d47503af4ef611e0ea494cb1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}