{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x2f22d19e213c9fca4d31d5409ae5cd6219fc0a650aa05344811e5625fa2e95b4",
    "signature": "0x5a91cef4b24c737ad95f8d4d07cfa007ebd4b6ee37b8dd6854d78dc6a01c63926f3aa85ed68e00c1f0ac76a6b8bf406cbc518aa497a3174b2b4c1304fc10aae41b",
    "signer": "0x7fB23CaDa61ACB0c4fCc650FDE57c3B812d4A5f4",
    "userId": "66130"
  }
}