{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3a951857e0a0ba144d695e22723ff5c8d6f850af497041133ad40adfb5313d80",
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    "signer": "0x293D40FC8006145a43bF9E31627fAd5e29abb5a2",
    "userId": "143896595"
  }
}