{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xdd4ac23f6c318c76b13269d8874e5adf6fbf5f2d3e7cfc5f2df7061a047a3441",
    "signature": "0x23d9265185abf5c76cf2097764c61fae0a4d3f3ac1f5387d71c706e9f4de440e3b934ac24812a45ea4c5c53df790460c7194be446d7480146d8163cb9d4b78071c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}