{
	"Columns":[
		{
			"Name":"Sign",
			"Multiplicity":"1",
			"Type":"Long"
		},
		{
			"Name":"desc",
			"Multiplicity":"1",
			"Type":{
				"Type":"Variant",
				"Reference":false,
				"Columns":[
					{
						"Name":"HVACType",
						"Multiplicity":"1",
						"Type":"String"
					},
					{
						"Name":"HeatingType",
						"Multiplicity":"1",
						"Type":"String"
					},
					{
						"Name":"OtherInfo",
						"Multiplicity":"0..n",
						"Type":{
							"Columns":[
								{
									"Name":"InfoName",
									"Multiplicity":"1",
									"Type":"String"
								},
								{
									"Name":"InfoContent",
									"Multiplicity":"1",
									"Type":"String"
								}
								
							],
							"Key":[
								"InfoName"
							],
							"Indexes":[
								{
									"Name":"index_1",
									"Columns":[
										"InfoName"
									]
									
								}
								
							]
							
						}
						
					}
					
				]
				
			}
			
		},
		{
			"Name":"contacts",
			"Multiplicity":"1",
			"Type":{
				"Type":"Variant",
				"Reference":false,
				"Columns":[
					{
						"Name":"ContactID",
						"Multiplicity":"1",
						"Type":"String"
					},
					{
						"Name":"ContactName",
						"Multiplicity":"1",
						"Type":"String"
					},
					{
						"Name":"ContactAddress",
						"Multiplicity":"1",
						"Type":{
							"Columns":[
								{
									"Name":"City",
									"Multiplicity":"1",
									"Type":"String"
								},
								{
									"Name":"Street",
									"Multiplicity":"1",
									"Type":"String"
								}
								
							],
							"Key":[
								
							],
							"Indexes":[
								
							]
							
						}
						
					},
					{
						"Name":"BankCard",
						"Multiplicity":"0..n",
						"Type":{
							"Columns":[
								{
									"Name":"CardNumber",
									"Multiplicity":"1",
									"Type":"String"
								},
								{
									"Name":"BankName",
									"Multiplicity":"1",
									"Type":"String"
								}
								
							],
							"Key":[
								"CardNumber"
							],
							"Indexes":[
								{
									"Name":"index_1",
									"Columns":[
										"CardNumber"
									]
									
								}
								
							]
							
						}
						
					}
					
				]
				
			}
			
		}
		
	],
	"Key":[
		"Sign"
	],
	"Indexes":[
		
	]
	
}