{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x867d55335e49054da5323101ce7a81505c5c72d77dd359b4e5eb11a47e450d51",
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    "signer": "0x8b6750c1f234e1B04A286Efa247F63f7440c8765",
    "userId": "652310831"
  }
}