{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x78cfafe40e5e62e8640527f2022be7b12fd67872cfadaf21b2661a6d00d4bb12",
    "signature": "0x133e79ea507140bc4232e513d566cebe72465e5efcc6cfb4e74f86d8363eb0894e98b4614fc4729b7a8d5b29baca493f4e5b9286da985aee65c04ed4338e6fcb1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}