{"id":"d8468dc6-8e7","token":"b7540995c308c6969898bb2c4dd083ab89c2ff5c37b1ce2e","instructions":["Option A: serve the token as plain text (nothing else) at https://api.m2msentinel.com/.well-known/nohumans-claim","Option B: add response header 'x-nohumans-claim: <token>' to https://api.m2msentinel.com/v1/gas/fees","Then: POST /v1/listings/d8468dc6-8e7/claim with JSON body {\"email\": \"you@example.com\"}"]}