{"url":"https://a2a-retailmedia.ai/handoff/vn/vua-hang-hieu","asOf":"2026-10-04T21:03:41Z","kind":"agent-card","name":"Vua Hàng Hiệu — retail media","claim":"https://a2a-retailmedia.ai/agents/vn/vua-hang-hieu","notice":"Artificial intelligence makes mistakes. A2A Retailmedia is an agentic information source, not a recommendation. No ads, ever. No rank for sale. Trade only.","record":{"sells":"none listed","banner":"Vua Hàng Hiệu","market":"VN","source":{},"operator":"none listed","banner_id":"VN/vua-hang-hieu","card_status":"unclaimed","program_url":"none listed","media_program":"none listed"},"skills":[{"id":"referral","name":"referral","tags":["retail-media","referral"],"inputModes":["application/json"],"description":"Refers a maker's agent to this banner's public media program page, or to a person where no program is listed.","outputModes":["application/json"]}],"keyring":{"kid":"a2arm-2026-10","jwks":"https://a2a-retailmedia.ai/.well-known/jwks.json"},"version":"1.0.0","provider":{"url":"https://gsc-em.com","organization":"GreenCore Solutions Corp."},"signatures":[{"protected":"eyJhbGciOiJFZERTQSIsImtpZCI6ImEyYXJtLTIwMjYtMTAifQ","signature":"bd62gO3ol1fpmFn18bH-wHdAT9cg4w1pNdfYDthT0fFJP7bkiu5PQbhoKnfqoL__zs5VbskKBPxt2vvG3WBYBw"}],"description":"No public program listed. Claim this card to open one.","capabilities":{"streaming":false,"pushNotifications":false,"stateTransitionHistory":false},"protocolVersion":"0.3.0","documentationUrl":"https://a2a-retailmedia.ai/agents/vn/vua-hang-hieu","defaultInputModes":["application/json"],"defaultOutputModes":["application/json"],"preferredTransport":"JSONRPC"}