{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x4812ea794db04d9a593e947fa23b1b178d2aeb360d69173ca587c79af488bf64",
    "signature": "0xd160f838061807291a47733fa7d0702c6793698e4379f0f2d3059dd0fca08d17269e9027ff2b0da3790c7b58d1d877f7648ffd0d6c279d5d2f455aeadc67aa1e1c",
    "signer": "0x1493F6883DDc36086273F3eD2c8F1C8E0Bb4f571",
    "userId": "321591746"
  }
}