{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x1c9fbfc412ff86ce7788398c8d76bfea57eacc9b9e7fcbd69a47c8bd8a35ec13",
    "signature": "0x76c016743f598c6b1dd358c8ddb608c3b83c1f0f1658996b525c134fb3a674b41f7ca99ac061bc789dfbd850a0fbbc79a46cb45b7e60548d9300a2607f74bdd71b",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}