{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x628c34d7ba5ae0788f32b4627d4cda5cd48e96c748717ed57b99ee7cd1a7662f",
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    "signer": "0x296F74dc3f08361c205B5172FEb1D3ecbeb5908B",
    "userId": "528574667"
  }
}