{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "771127542",
    "entityType": "Notification",
    "nonce": "0x365c1e5e1d7f87aa330a84b22f025ce1888ef3585b102e8bb90e23ffb45a097b",
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    "signer": "0x4Bff11A7AEC906EE6b14CFeaE29e4Df25293247d",
    "userId": "16564"
  }
}