{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x40446f1eff1fa07da095e2924fa6917f24a5a0865c7177b059285ab4dba09c73",
    "signature": "0x0537b87dea7b713a3eaa48c59168cef9c3d58c77b367e93802a238e1bbd0800a7745b79bccebbc1feea0ee04853a9ec3171b123bd0be7e1d0c3e7b5a6c1df15a1c",
    "signer": "0x92d3eeF18F09b6dEA8B68410222af4813dA7727F",
    "userId": "719754"
  }
}