{"id":"98a6c04b-b23","token":"81291a99c524d7524ca7aed53a50331350ab92539d633ca1","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/dex/metrics","Then: POST /v1/listings/98a6c04b-b23/claim with JSON body {\"email\": \"you@example.com\"}"]}