{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x24a4b2b5145ebb84a4cded9ba48f6ea8070ecfb3ac8f128e6e9954b1a43fefba",
    "signature": "0x81b3ce91d7e5199038c55fd3544fff6f7f81e97b361ae26faeff157a3518383f71a63b548eddd2b7261954b18e0c6a88bee7aa66f8786705b41db779aa031e0a1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}