{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x625df9cda43563cc0a5fc78b49fc40b359df9123ce9a4c74264e0268c35ca2d3",
    "signature": "0xebce8d28d8613e0c35531fd590b6db9f56cdd00a9461ed3d25cd2af59c02f2144b6c97e4ff9a80c237d9f03cb4ee36a9bfef175617d766697f245a1c6be51ec41c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}