{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xfd8828104358ef4463103e632919219dc0de8a82f857f52904dad5f200a46792",
    "signature": "0x25a9bf5d4c8e9efe2b6cffc99f83a67e3c3b771b3b3fb17c52448c3e217e0dfa73e57de6910abcc2746500e4c1a5ff5e56f91020848e9f4ae80e2222135b9cdc1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}