[
    {
        "IndexName": "mobile_code_",
        "MgoKeySchema": {
            "MgoIndexKeys": [
                {
                    "Name": "mobile",
                    "Direction": "1"
                },
                {
                    "Name": "code",
                    "Direction": "1"
                }
            ],
            "MgoIsUnique": false
        }
    },
    {
        "IndexName": "email_code_",
        "MgoKeySchema": {
            "MgoIndexKeys": [
                {
                    "Name": "email",
                    "Direction": "1"
                },
                {
                    "Name": "code",
                    "Direction": "1"
                }
            ],
            "MgoIsUnique": false
        }
    },
    {
        "IndexName": "device_uuid_code_",
        "MgoKeySchema": {
            "MgoIndexKeys": [
                {
                    "Name": "device_uuid",
                    "Direction": "1"
                },
                {
                    "Name": "code",
                    "Direction": "1"
                }
            ],
            "MgoIsUnique": false
        }
    },
    {
        "IndexName": "expired_data_",
        "MgoKeySchema": {
            "MgoIndexKeys": [
                {
                    "Name": "expired_date",
                    "Direction": "1"
                }
            ],
            "MgoIsUnique": false
        }
    }
]