serializer tag

[baryluk]

That would be nice:

message Alert {
  map<string, string> other_labels = 14 [(gorm.field).tag = {serializer: "json"}];
  int64 createdTime = 15 [(gorm.field).tag = {serializer: "unixtime" type: "time"}];
}

https://gorm.io/docs/serializer.html