{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "123291",
    "entityType": "Notification",
    "nonce": "0xced480fa55dc581537e02b4def07aef63dc736794cdb2c9da29cb784149c9b56",
    "signature": "0x22d4c0d1f1b4c4acd6f27fa8d09c145c3223762fc3ac8575c1c19d7698d91a9f121a254b02afccc825cefafc2fddf5a65bc1a171c5eb42bcade33fd75e4845b81b",
    "signer": "0xA84fAD53E322F10C58766EeD8F78885fFf46434e",
    "userId": "167729"
  }
}