Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,609,231",
      "signature": "0xa540fc73925939873414cd7d086fbce3ec9f4c6a4f13efeffa547ce96bf3e30f88a5affe42c24858a87ebcb656e52a4d",
      "randomness": "0xec649d6064bb02426a03d296945ad029b5aec953124bff8664387a48281ac756"
    }
  ],
  "blockNumber": "7,422,624"
}

{
  "Sr25519": "0x708f2eb170db089609ba46e3650772be71f4c9be20665c59336a27232c5ce20f9e89fcc07519e1bc160ebcc15dfd95b91eaabea443aba3a54b7278a6b9416288"
}