{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x92b17adcad92af6529252ed7454dc238782f4ae5ca83bb6f4400123debe33bc2",
    "signature": "0x95be6f4992fcc5094c40bfbd0965e34a07565e1aa0c7f2325d3d1fe6aef3b30a2b4f8781dcef138821446cdc7134dcb8130559ec9b50b2fcb1d0ea9ce23fca9a1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}