{
	"Columns":[
		{
			"Name":"MeterSign",
			"Multiplicity":"1",
			"Type":"String(1)"
		},
		{
			"Name":"timefrom",
			"Multiplicity":"1",
			"Type":"DateTime"
		},
		{
			"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":[
		"MeterSign",
		"timefrom"
	],
	"Indexes":[
		
	]
	
}