{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xb1b80623a54bac459a20560ec7631d2a7bb029a9b9d478b00d102402fb821b33",
    "signature": "0x90dc24f383051b7ead3b5806eb0c38fd36e2b4487f118aebe2db5a6aa973169144287ef43acce52d8497a8d71f2fe8833aae35a24e634b58cc867b3a42fbbb3f1c",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}