at MongoDB.Bson.IO.BsonReader.VerifyName(String expectedName)
   at MongoDB.Bson.Serialization.Serializers.EnumerableSerializerBase`1.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
   --- End of inner exception stack trace ---
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
   at MongoDB.Bson.Serialization.Serializers.EnumerableSerializerBase`1.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
   --- End of inner exception stack trace ---
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.DeserializeMemberValue(BsonReader bsonReader, BsonMemberMap memberMap)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType, Type actualType, IBsonSerializationOptions options)
   at MongoDB.Bson.Serialization.BsonClassMapSerializer.Deserialize(BsonReader bsonReader, Type nominalType, IBsonSerializationOptions options)
   at MongoDB.Driver.Internal.MongoReplyMessage`1.ReadBodyFrom(BsonBuffer buffer)
   at MongoDB.Driver.Internal.MongoConnection.ReceiveMessage[TDocument](BsonBinaryReaderSettings readerSettings, IBsonSerializer serializer, IBsonSerializationOptions serializationOptions)
   at MongoDB.Driver.Operations.QueryOperation`1.GetFirstBatch(IConnectionProvider connectionProvider)
   at MongoDB.Driver.Operations.QueryOperation`1.Execute(IConnectionProvider connectionProvider)
   at System.Linq.Enumerable.WhereSelectEnumerableIterator`2.MoveNext()
   at System.Linq.Enumerable.ToDictionary[TSource,TKey,TElement](IEnumerable`1 source, Func`2 keySelector, Func`2 elementSelector, IEqualityComparer`1 comparer)
   at System.Linq.Enumerable.ToDictionary[TSource,TKey](IEnumerable`1 source, Func`2 keySelector)
   at OT.GC.DataMart.ETL.ReservationHistory.Repository.MongoDb.MongoDbReservationHistoryRepository.Get(Int64 rid, String reservationId)

namespace WikiExampleConsole
{
  public class TestClass
  {
    public object SomeData;
  }
 
  class Program
  {
    static void Main(string[] args)
    {
      string rawJsonTFirst = "{ \"SomeData\" : { \"_t\" : \"System.Object[]\", \"_v\" : [] } }";
      Console.WriteLine("_t first {0}", BsonSerializer.Deserialize<TestClass>(rawJsonTFirst)); // succeeds
 
      string rawJsonVFirst = "{ \"SomeData\" : { \"_v\" : [], \"_t\" : \"System.Object[]\" } }";
      Console.WriteLine("_v first {0}", BsonSerializer.Deserialize<TestClass>(rawJsonVFirst)); // throws
    }
  }
}