{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x2d763ecaa8fed7853c3d13d09725c11f13988dcd9984c4c08fdb25c413d5faf8",
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    "signer": "0x16d3EfE8AF349aBc9a3CeBDd1C9E93557f40Ed05",
    "userId": "824673445"
  }
}