{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x59c387f5bd87f715fa59eb3f1d80a5c5fb2391003dfe94a740ce7d9dc7ea18e8",
    "signature": "0x22b2bd2377a61865263c55aae2d32fc4593ee91da9bff57414ead6dc6b5af0a10f57fb41dc6f12f94e458ff62011ee5321b1dd70777b923731c28c40d980fe591b",
    "signer": "0xd543a0232b294823FE594e2f4B732D93B92B24cf",
    "userId": "2559"
  }
}