Before running the app, you need to export the following environment variables:
export RPC_URL_MAINNET=https://your-rpc-url.com
export ENS_CONTRACT_ADDRESS=0x00000000000C2E074eC69A0dFb2997BA6C7d2e1e
RUST_LOG=info cargo run -- --address 0x0000000000000000000000000000000000000000