{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x089cb4ffc5671f292d8f530fd98fdf3ad1198633f7cb5ddf6a6118c86160ab41",
    "signature": "0x18c402e974a6decf15c7aa64d4c332fccb086b3d6471e18bd50b271e98e0058469d130cf4a217525bcc167e61473cae383e0dfff4f7982a2e534e2a152e4ad1b1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}