{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x5847f077060c4c9516f3d724168fdf628a0367d2dd8a079c040ec88f885f3c46",
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    "signer": "0xfD493cdDfD73c3B2A9a88BfC7bd2177Bf1FEdaB1",
    "userId": "225233105"
  }
}