{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x7b807139be116e9f20d3a37c253c43080ff533c89b5d365ce770d5a2fa9d364d",
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    "signer": "0xab604472E36489FeA0d602ce211Bd1213C33D751",
    "userId": "369892127"
  }
}