{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0a54b0e4cc79f951c3814a543f1758d11bffa1e536a688a1f933eecb1d75bb88",
    "signature": "0xd8d334c52c575a02d0e348c9f3c5f19312c0ba4ac7d9213b87cf10a5baed7ae003b01c33d1ed0e4a853cd5bb7376e97906b873770317108b3df5eea54fa5fb2d1b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}