{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1698340",
    "entityType": "User",
    "nonce": "0x83506712b98aacb920f3a279dbd16e91be2931d2c28c602c98938eb6372a83c0",
    "signature": "0x6e5a56d09a45f5d60ff47a6738f4e34c8a33c0a40dc63ddbc234b761fdd08ec91b59780d3e197b152f9f524fa26136e755cf917d652e3f30fa3d88331b02f3e91b",
    "signer": "0x040629E31a68119093b9a0111257C8449c2f8e10",
    "userId": "20"
  }
}