{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x38ecad2421ff90bdb1bd67def594800965a88b5ea2dd5099ee9fd5d42c5e7c6e",
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    "signer": "0x19edBDeEc1E820D9FcA45532B464fAf686bAE208",
    "userId": "156293346"
  }
}