{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3dcd5efd8461e0d9ea7031214e56ceb6dfdb234519613e73e44159cb50d97c77",
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    "signer": "0x5EAFc2E276143c90B0355198D7fe50c090097865",
    "userId": "383296008"
  }
}