{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xaabcd9f6dd6c3894ec5fb21c51745339716125bb6380c218687ae9cae3bf7949",
    "signature": "0x5523be2fa8cb1aeb057d3553af94c3478a4af70ce26b0e0dac75140d7088862775b7c58c8c71541892eecce7e5d82a10d205e4efccafcc652b2ac9ef067791f71b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}