{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4194f901197419383ba34eccd5562e005f19dd2e3e71e704365b07c0dbe777e6",
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    "signer": "0x12D25A7a19Fe8130A1f3de655f59f1ac38Fe29fB",
    "userId": "566281511"
  }
}