Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,646,331",
      "signature": "0x8f029e4c2f33465f9ff36d98be744ed778f74c4de082b7910546fe54c942697c544e7948ea9bffd632b109d5de922016",
      "randomness": "0x6cf1cbed38da6a5102180f6a95d34d302d17cb1af52e0e35a046143441bf2939"
    }
  ],
  "blockNumber": "7,431,887"
}

{
  "Sr25519": "0x70516cdafcb36fd1380aa59e9784fdf61c5e0d3622f174fe7579793888348418ac305e8dfeae3f206b77930c7675b6b37489266474afa32ca378a1ca66b4658a"
}