Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,542,891",
      "signature": "0xa64bfc6795a971c581d85f4467538a1d921ad0a7ff3d590d0a9d321387bc17a5664bd596373956f61898044b884532fc",
      "randomness": "0xba05d0bff93d8e1018f116d49f6b155f44ab81e810b866a82de8e9513910b28c"
    }
  ],
  "blockNumber": "7,406,058"
}

{
  "Sr25519": "0xce120447fccf31459e4a75e981b23aec9a14954de1b64ab03b8024ce2a74745463fbfa0eb5b5d74e5dcc87aab0a458d13c8124cfef316f2f04fd9b1923356683"
}