{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xc500071425707ef1dc927f91f65ed338d92c9c10d0ce5e5eb9273f7e5bd8b57d",
    "signature": "0xaaf8b01c616ed0791ad98611a2d4ff19ee582d712f0c59fe307cc96be2e8a258668d4058a921e7e5b073c60ce4c2f80dbed4304ca2b1b5975209e6f478d2f38f1b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}