{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x528453d99e1cf81519e3bf398c1a6b3091202a145724aa8f64088024cb459bbb",
    "signature": "0x7feb0dbc4d8b1a94a29c6c996994d58960350a6e46ac182e96d57b20d86be23a1c4c882433744d102e52a0d9141aadc24d1ac5ae690514ff9eb293363ba19a391b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}