{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1518",
    "entityType": "User",
    "nonce": "0x2517c48ffedd04c17147975b70b6baf994ab5c45768d88a5f0172663b2172fbb",
    "signature": "0x913b69e3fa1a6394d62fdadd890f792e0aa2c643b93be46a4efabb2956da00c54df0eda9b2dfef225949e03f8223767c54f6a663d02f3a634a12439255a0a5051b",
    "signer": "0xba960A2A2d8f4427Fae40C7DB0030b14F9C77419",
    "userId": "10119"
  }
}