Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,579,391",
      "signature": "0x8b23718bc67de848178cfaafff54e026ee3fdce6064e48110279b91e8b04a78559f57c4447e0cf65043080d15d5b9e3c",
      "randomness": "0x496be14eaa1d24146b564c39181ac2f86b50ca4916f1f368652badccb434942d"
    }
  ],
  "blockNumber": "7,415,170"
}

{
  "Sr25519": "0x345208352defc8bc0ec71b4600638df471a4149de6708197c9edfe6749297a51545bbecdcdc8597a33dfccb51566163bc9c45927f1709d6640b91e9358441986"
}