{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4650c737a51d6c6bae80d34b0238c566cee61ac03ab90ca23452156623cf2587",
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    "signer": "0xba39E57aa62E649F2b3250E2Cf1456c117127a40",
    "userId": "555663956"
  }
}