{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x76df72b59a88205df3753d25258d1c022fb8195bc48d271ef22d45f7d3bd8c02",
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    "signer": "0xfe0812559692b402114f2E22b5680970591c3e39",
    "userId": "900235710"
  }
}