{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xed45421ef7d1462efd5a18384d6d463dfe04242d81f61f062c5da39fec303fee",
    "signature": "0x1a9cdd1b09a4e3052365f919d803d3c9a89d5702cbc17dd0d66a9d20367199e152d15acd6212c1e8b873d7275df7c254a6be6e784f86710a4bbf403d713bc3cb1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}