{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0x4ebb3257617da8cb7c6f0b5b2420b11de57c3c58dced364b0205c5133e6d3cd9",
    "signature": "0x634e4624cf7ac0aa4cb1da64b04f012123be75da56ac9acb6a71727fa469cad5728ed5bc20682f6cb4a5ae6e223dc75ffae0352af553acce25269c602345735e1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}