{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x315ef446facccb236197297123f6db8b9cc4b4a1f49806bf45293b247f2fce0d",
    "signature": "0x302aa4d676345a9173c58a4c068bd8a1b71c86a4b2f459edd193aba32665adcb42950bfb64414e643c0ae21b25d2ce2e38b4c1b42dd89eef1d422060518146931c",
    "signer": "0x4b35342F15686b994c0aDE143556b5C14C5D069E",
    "userId": "475979959"
  }
}