{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1b3c0e8cd65d2ace35ab145ccdfe9d6eddec04cf051cce5ae28eb1c599072680",
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    "signer": "0xA73316C6DB8b039Ef37122e2c626DD0Ba22B4fa7",
    "userId": "580289991"
  }
}