[
    {
        "v" : NumberInt(1), 
        "key" : {
            "_id" : NumberInt(1)
        }, 
        "name" : "_id_", 
        "ns" : "eneron.messages"
    }, 
    {
        "v" : NumberInt(1), 
        "key" : {
            "headers.From" : NumberInt(1)
        }, 
        "name" : "headers.From_1", 
        "ns" : "eneron.messages"
    }, 
    {
        "v" : NumberInt(1), 
        "key" : {
            "_fts" : "text", 
            "_ftsx" : NumberInt(1)
        }, 
        "name" : "body_text", 
        "ns" : "eneron.messages", 
        "weights" : {
            "body" : NumberInt(1)
        }, 
        "default_language" : "english", 
        "language_override" : "language", 
        "textIndexVersion" : NumberInt(3)
    }
]