{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x27adb9d22c5867ebfc8bc205f86086009e7d4524b2b85b7431c427ace8398118",
    "signature": "0xeb756589f332dc52fc8758f1eef4e5a6db8f04b7c6cecc741ef41bd03f827d2c194e8158abc47dbbd7d16702f6b4c545100efd1bfd7a8685b84e28bd1dff5cbe1c",
    "signer": "0x4fADC28D15fC4B42A6ab378E5b6155d0b8F33aaA",
    "userId": "372589391"
  }
}