//This is the code I have used, it produces no errors however, JSONData.Path is an empty string on completion. This is how to documentation says to do it.
 
mongoContext, cancelContext := context.WithTimeout(context.Background(), 10*time.Second)

  defer cancelContext()

  mongoClient, _ := mongo.Connect(mongoContext, options.Client().ApplyURI("mongodb://localhost:27017"))
  moviesCollection := mongoClient.Database("Entertainment").Collection("Movies")

  moviesCollection.InsertOne(mongoContext, bson.M{"_id": "Deadpool", "Path": "path/to/file"{color:#bbbbbb}})
  
singleResult := moviesCollection.FindOne(context.Background(), bson.M{"_id": "Deadpool"{color:#bbbbbb}})

  if singleResult.Err() != nil {
    log.Println("Find error: ", singleResult.Err())
  }

  JSONData := struct {
    Path string `json:"Path"`
  }{}

  decodeError := singleResult.Decode(&JSONData)

  if decodeError != nil {
    log.Println("Decode error: ", decodeError)
  }

  fmt.Println("Path: ", JSONData.Path)