{ "indexes" : [ { "v" : 1, "key" : { "_id" : 1 }, "name" : "_id_", "ns" : "actionviewdb.user_project" }, { "v" : 1, "key" : { "user_id" : 1 }, "name" : "user_id_1", "ns" : "actionviewdb.user_project" } ] }