{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "406225571",
    "entityType": "User",
    "nonce": "0x4941009daa40bc904d91e6f21fe076159c3ac86eec9192f97186e8d8de6dec6d",
    "signature": "0xbf0bbde871d9aa7f384c6de454b62e154e7dcbc2e50e6673961c975f93086b710ee7b27ea4cba27fe31e85de4ca5d460b36c8a309d8dc044e8c4eeb4e2abf5991c",
    "signer": "0xE795526f098824a87a94C79d58a4299b51b20a3c",
    "userId": "837713671"
  }
}