Which packages are impacted by your issue?

@graphprotocol/graph-cli

Describe the issue

The following error is reported only at deployment time:

✖ Failed to deploy to Graph node https://api.studio.thegraph.com/deploy/: Could not deploy subgraph on graph-node: subgraph resolve error: parse error: invalid type: integer 11155111, expected a string. Deployment: QmSZqUBYY8aLRWca3Ec5be618Fx1Kw55Wt8wWp2NcYWuf

Expected behavior

The error should be caught and reported at build time (graph build).