Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,549,070",
      "signature": "0xb967b9d4bfaf5a8eb75d08575182ae1b596f23397859aeab227d00d3eec52025885be4fc307619aa01734389179f9efd",
      "randomness": "0xb9290cde43097005222e7d366838c56606972e93d8696558526740211d35c66f"
    }
  ],
  "blockNumber": "7,407,603"
}

{
  "Sr25519": "0x260e9fb799f7bd69e615bda7d767793ac5e68abe19c26b73189051a0f678375c4a6c67ad67c43eec7a57a4b8a3003183baa2d0e6d037425194cf0bff877a8e8e"
}