{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8b9cb1b4a63cae2d30e1dd4c9c51956d92a146477dfd3440248aab6018327836",
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    "signer": "0x1f22425addD7DdD5287f86662672aC6Bf6362A8a",
    "userId": "762700956"
  }
}