{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xaa577531341a2cd0290ee98d9b5768eeb400961f18a227ad385f71dd620d8f29",
    "signature": "0x441f22b82f1c3082d8a83970bd85e4527fe785ae778295c213aa7eeb1a50f08d732edb2b0f079701257b006adcee050f76a1d4168c588f2cdbe1e41da243d8db1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}