{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x66d301117ec7978221ed24386c9a35b7772e076ec3efea446fd65b6fdd431519",
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    "signer": "0x602EA30dcd9905E05e9DD478bf78c9a2AfC4BBF1",
    "userId": "283451747"
  }
}