{
  "manageEntity": {
    "action": "ViewPlaylist",
    "entityId": "538837114",
    "entityType": "Notification",
    "nonce": "0xde79be45cea33350b80afbf914226129c67051bf79c69cbf7fe22097b48680ef",
    "signature": "0x587a170d6f011e1213c3c578a4d018c166dd67ba6218b44e91cd83f4f250c85d5cf1e4558b6fcae8622ca3324236f6afd53fba1638397d0d6f693e3c483d130b1b",
    "signer": "0x020819dBA653525cf3F8069104a51B241BfC46E1",
    "userId": "1967"
  }
}