{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "504519602",
    "entityType": "Notification",
    "nonce": "0xd749979af8b3cc93c664bafd6c4d6f2daa83a171539c8b0c0fdb7b7a700ce9c9",
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    "signer": "0x2fff7071097d912DEaB17B33e448D7280cEe0723",
    "userId": "655790469"
  }
}