{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xf47fa1dced8e024786bad2fb1b8becc043b4fc9ce4172cd891a2658b38a187b6",
    "signature": "0x54ea597f2915cc75b986ed6ed5c0e2a5388689ce260c76b35c8386292aad69212f132df3eb7556efdbdb47fd6814b44dd275c5c3cde987b615c943a7c467ba1c1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}