{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x6dadfae73ca6f238a8089914c6583328b0a842fdbdcfa189e74bcaa5e5b2abc8",
    "signature": "0xde68de64c3cae4b7a27a28d1c3ae3ab44e05f151ce236e42486eadbb0545336c206cdf3f8e12a1a3c55ad8f67c3de9d00cbb6c5d9846c33a4003b865e90bea3e1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}