{"domain":"chess-notation.x402tookit.com","count":1,"changes":[{"captured_at":"2026-10-21T05:03:57.444965","card_hash":"6bbdc7d617079024e443464513e4caa194f201b27425088bc03a42e130fc4452","previous_card_hash":null,"diff":{"skills_added":[],"skills_removed":[],"skills_changed":[],"fields_changed":[],"other_changed":true,"is_empty":false,"human_summary":"internal fields changed"}}]}