{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x3965bbd8ba9176dabcbc9f832739730c18b591fadd58afa0d306069bbb0e4e9d",
    "signature": "0x2fa90d1f4e4fa8a78c7d4d6380e4426f9af0748bcaa8690cb44181ab4cd451733408cd9402af1039dee5734996235ff3f1c785972c45e46f85f33d6d1d3c4a391c",
    "signer": "0x7c73CD99a6B25A6DE60A0D8191D1c71f1380eC8E",
    "userId": "621382778"
  }
}