Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,622,251",
      "signature": "0xb032a79b189504f11fa002a8a0b0c6a03dbaa327d8a27bf7db36ee804f0777e5d2ce165a6ed51057a48727ffc6040924",
      "randomness": "0x5dae162726b9495331fab3ba152e331092ad8f856af9556140e245d84466a22d"
    }
  ],
  "blockNumber": "7,425,877"
}

{
  "Sr25519": "0x981e1207f5727f8bb480003cf0190b7570a748cc880d651fee42d2bcd7990811da58deb969d739515b9492f40c773c0d342f9409b47782e1a0fa488c109ea589"
}