{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3957fd53138ab13137afa2cddc92e37ed2b83e588b0efd419d7e78b822eeaac0",
    "signature": "0xd82c608070c5b775aa80242d3bc0462d89ed4047ba6a9a7101d52c96a087bc3136525c0cf205a8d78641eb1bac89e91a3b9b08e0e913fb594e982d1bdb40dc511c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}