{"domain":"x402-v2-mint-pubchem-compound.vercel.app","count":1,"changes":[{"captured_at":"2026-10-29T18:21:17.531469","card_hash":"e1617609b03aa2a17769afa05a6835c6921a59981d0c1f97e04fb80a7c647d24","previous_card_hash":null,"diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"internal fields changed"}}]}