{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0xddaaf465d33804303fa2407f8eba53a593574d6bbc25f3ededa8a48f28d42a85",
    "signature": "0xcf03e0c037301f75b733a75aa1c118527556378050c92a1dc309ffa7155f5d464e7fa3bc780c573177bfc2833d28d92052d3df1ea0d97428bc9bc5acf3b470221b",
    "signer": "0x50136bc73d708Fb19Aab7302A3b581BbD644CaE7",
    "userId": "776994971"
  }
}