Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,151",
      "signature": "0x845e0f9ac2b16ae45ea52009875b06eb65a1a2d43118f843d7f1bdf6f946d9141865474ed39cae281002e3cce7e854b8",
      "randomness": "0x0be98cb5a994d6ce16e12611163ec3d3d41e9a0a7c91cd06fc901c852ca6ede1"
    }
  ],
  "blockNumber": "7,412,123"
}

{
  "Sr25519": "0x6a8ee90792f01f4075a46f90b71279e6613f20f4dbe0590f321e1638a4c67a5e8ae382678c95a6049e51514909c8dd3435c52941c9dde86da168e66cea193589"
}