Write Pulse

{
  "public": {
    "Sr25519": "0xb2d7ce3e75c398ab506ddf8953e06bdd58c6a17412037afb8764efae7e94c04b"
  },
  "pulses": [
    {
      "round": "25,540,140",
      "signature": "0x953c3462e5b2d5318df75d21ef53cc4f6a74aa09752e92e9e6316464f7fc7d685fb84ef0dd70c9ed495f852ba477a356",
      "randomness": "0xcfc56fc6edb95f2667d32df691893012719497167250f925715232e3b74a894a"
    }
  ],
  "blockNumber": "7,405,371"
}

{
  "Sr25519": "0x6a3b2655d11b42d56d333cd2c084713cb49424ecc734772b9f638b6bd7cd3c2508aea34d9cb00873fabdded4edfd84a7a88be0217d5fde367385a8f07a645387"
}