{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x8174a043aff7db43018755c47c748e7fda426d0c73b736b5d0e202583e7a2874",
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    "signer": "0x67BCAAF5Bb97c4A8C350F9f95988Ab9A11B3a586",
    "userId": "599362797"
  }
}