Submitting too many attestations in a row emits error

[joelamouche]

Too help debuging we could simulate tx before submitting

[joelamouche]

This seems to be a known problem on Amoy
https://community.metamask.io/t/metamask-returns-32603-internal-json-rpc-error-with-no-revert-reason-on-polygon-testnet/30325
We could move to Base Sepolia.
This would be a somewhat reliable faucet: https://portal.cdp.coinbase.com/products/faucet?projectId=fa70aca9-a223-46d1-862d-65490da08966&address=0x6cfD0753EC4da15Dcb418E11e921C0665c1d1cBf&token=ETH&network=base-sepolia