Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,580,912",
      "signature": "0x885f9f17485ae1d6d3eda7eefbceb8d00f91671e2b30fa6cfd3ce711aceb04f15fac3c5c3cb649a706a32056bd5b58d7",
      "randomness": "0x435aefe89596f1f5b6d5ed5e72553e0273a265f9aa4706f21be1205e9cb71d51"
    }
  ],
  "blockNumber": "7,415,550"
}

{
  "Sr25519": "0xf89267e2e5d88301f309ce30f4a1efdd534748d400a60b5676fff1d817dfad28738e0ff8580ae532d46b0f26bd59562ef3a895f97e41eb69c5d44e326a434987"
}