**Checklist** - [x] make proxy contract gasless compatible; - [x] test with CLI/API (e.g. [Biconomy API](https://docs.biconomy.io/products/enable-gasless-transactions/choose-an-approach-to-enable-gasless/eip-2771/2.-code-changes/api)) **Refs** * [Solution for Gasless Transaction](https://www.notion.so/matterslab/Solution-for-Gasless-Transaction-e3be89aa6ead44d0aa26edae2acaa484)
