{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x0e74f7b5c6c016040cf90cfc8a95aad900882ca3fb0700636d33fe9b5c76c034",
    "signature": "0x090fd1a930a1fbe8d21de7c90bd0f9670798d451a383a3e7f5b0496c4e9ed06461b59a3d160e11e576c114a973b75225203fc52986fe3020a93c7a11e42ff9cf1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}