Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,579,791",
      "signature": "0xab51bd4e5d63c16954b330b730c6219b32cbc0ddf8178b4259f137eb51d22ed30a2837ba2e8914ff3f7be47823c90371",
      "randomness": "0xffac282a9a869aebef1d1e927d20f1592161ab31bc11b057a728dc1a5a786204"
    }
  ],
  "blockNumber": "7,415,270"
}

{
  "Sr25519": "0x50a7acc324bed2d209a16043faa209037babf7bfa48076c8fe894b349e40b03a3d3f5b43f49cac39f35c5c0127e497c18663c571aa4eec61ef7e0c8ed65f928a"
}