{
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    "name": "FM__r",
    "features": {
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            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1": {
            "name": "_r_1",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2": {
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            "type": "FEATURE",
            "note": ""
        },
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            "note": ""
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            "type": "FEATURE",
            "note": ""
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            "type": "FEATURE",
            "note": ""
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            "type": "FEATURE",
            "note": ""
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            "type": "FEATURE",
            "note": ""
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            "note": ""
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            "note": ""
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            "note": ""
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            "type": "FEATURE",
            "note": ""
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    "constraints": {}
}