{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xd6e018b9b00b843f385058abb37ff2b1ac9fde9af8c9506c051dfec7dd426dac",
    "signature": "0x4202f2926ae8d8b404e41e4d31f00c418eeba2c7a56f69a52e459a821a3b5cd938e7b18683f7c88a4ff33512a66b3654a5c0e27fcfd630d2d2cd26cf8094ebb71b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}