{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x21effa97308a5865de463735cf3f996a9a743559e4748e1544736d4014ced3c7",
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    "signer": "0x4905E9Eb492e277Ad8515096E7AdDfEAF2dffFc7",
    "userId": "529290107"
  }
}