{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0bfae4f4b41c879e6dcdc7be39666ae86afa130e632523418c7aced51904f70f",
    "signature": "0x6774968a6c38a33a98de67f537c3122210da5c21c0faa7b248f2336c7d8162dc61c8ddba7d80279aba9ff4e8e3b48029514919dd1b671bcd9fecda86f378143d1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}