Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,543,071",
      "signature": "0xb6f953faa0ff897d3f165ce565701b42c7145d9eb687e2e9caed0a48551c60a5b595eef222c4adef360e62903f2befd2",
      "randomness": "0x10d598a8866c71885e53706be3d2e6a33877f298d5442de922da6af3cb8a69a9"
    }
  ],
  "blockNumber": "7,406,103"
}

{
  "Sr25519": "0xca2cd3c492dedab527d5ded5ff956c0e7c49c62886649f68a167ec7ec014d40c9ec003b0c42f97359dca8b1833bc6ef7b0dad7528480bbc80b2dfb777475a789"
}