{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6505cdbb4e8a075446fb60fd9c4d70abb581303ec182bcba8b56bbba5706d8aa",
    "signature": "0x2dd4664606865ac464250ef36101b98a0934bf150304dcab2512540f79ad8766052d2037a8e1a71b6c30a272f9db0649a57e19c8302e6f05f26433ad5aef93711b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}