{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x3fbfd86c6e3c6af424a4dbc598d84bdce0a80f4d4c80720bbd724e0b8503a857",
    "signature": "0x25fbd18e319f7696b2ac0f9781adf23b537cd27840b212ccb2308c14636b6af34e6a28ab7e2f7eb4698ef2579a70c4a296740dbc240902f4fcaa715c845553791b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}