{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x147813951d3236d4f8b5793cb5856c9312e20a9e51530b7b2108b995b0234b4f",
    "signature": "0x31e514e9646b8b6f0950c620cca560fc522f785b3cf495c080d08bbe1b0cedb5266d27fc47be14dd43927a4d15398ce8a1e673c5f4f508b01ca56c7f94a17dce1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}