{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x138b34217465d24bfcc97f2a847375fb1beef2e29842e279abeb06fbd7668d22",
    "signature": "0x32bc2e9bd11b72fae0f372f5509be65897d37763faa868b59c582a0cbba3e6072480be464771283856ee55e8866159c0b920ecd823e9b570474b4d833091faf81c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}