{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x9a23eaa4f3bae73f1e63a191ae6b3613e333d3163a786918d7ee6dfe1caa2e50",
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    "signer": "0x1A64C0A21915fdd68011BDC6f7b08F69150b4d5A",
    "userId": "928424962"
  }
}