{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x95b2755b98b1a1bd6c9b1e53788cb661c2a39a82e544bc3b26a0f84e582aef76",
    "signature": "0x521f9d0f584204d2f5cde83bbd86521509b031dcb64cc2a83b13ab0389cab5980095f4c98d53bccf05a43e47814fefe9955f899b283f93df4901ff158e7646701c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}