Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,563,230",
      "signature": "0x99169fd33dc76fd3cc7f4a32dcdb3b6f337ae1b64f94ace3ad012b95808a1591d7505e8f1072eb2f14c5d09c311de8b3",
      "randomness": "0x394f75cd1f7b7be17699b1bf828c98a5693b56101d2d422e6859067394329389"
    }
  ],
  "blockNumber": "7,411,143"
}

{
  "Sr25519": "0x305b2ba93b2ede8a3c3e52731b56383d333716f675ca2bc385001df1d74036131072f9e714c5547c3e726e4ada78d3c5359ed8836f105fbaa19e76eacfb53a81"
}