{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x11ad0d1e6306f2fd5cd40a9d407ddba3c29d6b06c1bdfabd4c3b3c18878cf5a3",
    "signature": "0xfc8b352fbe02f3efb9f88a3ffa3923aeb071f652c593aefe7aafe7df02ee504a1a26b64e63a0474bf9fb049352e01446ae5ebda2e97c127dcf3647ba525f6a9c1c",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}