{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "104688",
    "entityType": "User",
    "nonce": "0x5c52d6a9174327e85b5948023cf4d44b834a326e7abe610fb9df616dbcb87fe3",
    "signature": "0x04d13f8c60665a43ef523259fe968024915c4ba34d76f0086e6ba772c7cc96d56cc34d550079fbdbfac7643f9b8d62ade5ae97bc88f088a4298bc8b81b3b593e1b",
    "signer": "0x45c4f1dcE13eeF476C74C5758696D56137253980",
    "userId": "824478223"
  }
}