{
  "name": "SgUser",
  "base": "User",
  "idInjection": true,
  "options": {
    "validateUpsert": true
  },
  "properties": {
    "firstName": "string",
    "lastName": "string",
    "roles": "object",
    "uid": "string"
  },
  "validations": [],
  "relations": {},
  "acls": [{
    "accessType": "READ",
    "principalType": "ROLE",
    "principalId": "ADMIN",
    "permission": "ALLOW"
  }],
  "methods": {}
}

{
  "name": "SgUser",
  "base": "User",
  "idInjection": true,
  "options": {
    "validateUpsert": true
  },
  "properties": {
    "firstName": "string",
    "lastName": "string",
    "roles": "object",
    "uid": "string",
    "igg": "number"
  },
  "validations": [],
  "relations": {},
  "acls": [{
    "accessType": "READ",
    "principalType": "ROLE",
    "principalId": "ADMIN",
    "permission": "ALLOW"
  }],
  "methods": {}
}

Add igg in SgUser model
Add igg in SgUser model