{"id":"54dc47a1-9ed","token":"7a2e5cf89cab69c1dc1d7f79d4ef7b5c56cdf785030b34a6","instructions":["Option A: serve the token as plain text (nothing else) at https://plexus-public-production.up.railway.app/.well-known/nohumans-claim","Option B: add response header 'x-nohumans-claim: <token>' to https://plexus-public-production.up.railway.app","Then: POST /v1/listings/54dc47a1-9ed/claim with JSON body {\"email\": \"you@example.com\"}"]}