{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "863774823",
    "entityType": "User",
    "nonce": "0xde55d03184240903c1606aacb1a6eb1fe21c41b08574f7dd19f55d32628324da",
    "signature": "0xadeb36a112cd4bf2fe27959654f84b937f1ce0d5478900ffe26bbea6371417a65e2557ad692df0c97f1db51d9fd0df339c9a7674f4f5a982492ad1b59a621a951c",
    "signer": "0x262a2A1c96da0dFD6f33595c8D775BefA860d02e",
    "userId": "486490947"
  }
}