{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "4281",
    "entityType": "Notification",
    "nonce": "0x00fff9d77854efc3299e9effc229b2958d75d4de4ecfa1060a77478c295697b7",
    "signature": "0x0581730cd734774dc77dc9daabada640c172ba9359f9b8fb824d46c7749049096efc7e47273cfe968ec75d22d30f2193d1aac7a5655ee4e3d488cf4b2852fa031c",
    "signer": "0xcc841B6eA2539A05124134f4aDa4B368Dd77C47f",
    "userId": "122897356"
  }
}