Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,580,512",
      "signature": "0x92f01db49a368b78c29934f9a6b94814882256198f27cf9aa25d8b9dfbbc82088f454ba171f8a21f22097a0c55d4d00f",
      "randomness": "0x63c7968249ef4a6640d7817543fdbdcf77d33960ecbdf88227edf519731f369f"
    }
  ],
  "blockNumber": "7,415,450"
}

{
  "Sr25519": "0x285a15bd57f567af92fc21671a958b6f901a70e8cff363bda7327950b6fcff3f5d81f732b81948c1f23cba785dec148e2f78ce869b027709e4b718d15817118f"
}