{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x9bcd882b8a309fba901c7e3782460b13bcaf8a6b1a7d39d8d0cda7ecccf299db",
    "signature": "0x6e8c5d927f0cc4090570a6a37c98845132a664497413edc317c41f4843779b6f1752d0304d9fd48fe6a2c378645e981d1b2e5a7478ddb474ea5290463fb0f9ed1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}