{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd768943c306719d70c4c69821cc41259fa6333e9abddf3a513b1f369d960d68d",
    "signature": "0x67d74313b1a55a1f469bf37ea30d525ff598dc9b775f9e122d4e0adfe5da2ff6162b31f3465ea9fbca2db9637f67be1153675251d48dc4f83ba33672b5d1e6c51b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}