{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xbd3c6aaca13220ae8c3346e8084fc4f98acdf1aa1795916e0319eafb79841c44",
    "signature": "0xa2b40a35b1c7e2ee1b7434069ed1bd82acc93cb6baa715ce057c6ae2c0d3d7b24459a6e3458b827eeda4323886aa29683072d0b11a9d4d8c784a660bcd2c02061b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}