Usage:
clone this repo, then run:
cargo run --quiet -- --signer <SIGNER> --rpc <RPC>Replace <SIGNER> with the path to a keypair file.
Note: this program will only succeed when the signer is 4nuNUbvQQ6hsYLFB9yAeDdhHRbbxa3vHQwhBbMkD66Sf
Replace <RPC> with your preferred rpc server.