{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "398",
    "entityType": "User",
    "nonce": "0xaeeef79897d27072de0671adc2a530b17d5e81e9fa313f78d300c2c62b31fa31",
    "signature": "0x1e5145bf25883702311444cb08ef99d0c78e5dce7f8780cbc5a516b4bf465b0703c7cdfa7da2747735540d9e2194d8cf28e967c67d622e032fd7dc70c6c55fa81b",
    "signer": "0xD9A9ce288bCAE5105Ce96746a6244b77B7fca77c",
    "userId": "8662"
  }
}