{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x76921b857f34f178188a5f05ad3c97830732bcbaa879e80a01fc4d9d775a0ebf",
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    "signer": "0xe7293f8b43D4078aB99171ccd3740696D1B2C993",
    "userId": "511357749"
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}