{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "580720856",
    "entityType": "User",
    "nonce": "0x6ef08a4097ebbc0f560c2cf91b549b9d565451b815380706430803d4dbc02aea",
    "signature": "0xdc2877c25caaacc380e39fb16ea9ee9df84b997b17d75f5764d9dd64fed70a270893914137a9d7d2b0e438c98c6b8253a31db41e582b42879989c81e20c8cfb71b",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}