{
  "manageEntity": {
    "action": "Unsubscribe",
    "entityId": "1666",
    "entityType": "User",
    "nonce": "0xc5504266ca1bfc15ff10d8e9d1ac788e0af2634c7d51c0c4a406479cc25c91db",
    "signature": "0x461357ce431f5ec547227b7fb39380f8400a9b0f86f7f8ea19f8f9db4174e1743ee3496ccd176ab040d5447d9371d91065f46ea43a95250469772e56b079f90a1c",
    "signer": "0xdAe27B20BF3639989Bd99E76811FEF26BEa4Cc49",
    "userId": "176556"
  }
}