{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0x16b062171730e14b8cd7563b713d8541c0ca7e538644885eda30651f48feb4d4",
    "signature": "0xb1227a6da5b4f909742c58fd1998a3516e0eab4e96c4cec56bec0afc7e8301644a9a4e2408ed4e224965f64e098b3cbaf83e69c10015be4b73769aa00e4641fe1c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}