{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x566504bc3741398c38f7886db33972f0f12d381cc9f8456c03fa8e5ea9e51db8",
    "signature": "0x20dd2b3d12b1f50d77cabf7e08bab7f30568e432e21472c7760c646d8a4d8a3902e5a7d8436eefe4af546c571c9eed0fd7584a3bea2a7eb19625e205ab911dbf1c",
    "signer": "0x53639592DD4244c9335f99791AC9F8665F25d65d",
    "userId": "609513018"
  }
}