{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x6b7dda706b8d713f051df82c6d85e86d82e7115bdce1e08750180ca2e7bc6b4a",
    "signature": "0xaed6625604772e3f1aec04d55e72cacb8eef3aa51b098e7368246c153c4887484c377fd661e4ad21ba6ff20c734f347048c86076e46d57decaa4beebf29b0d331c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}