Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,567,231",
      "signature": "0x87fc96543e699f58ddf203c4a0d6676d68ab6c1654b18cddc8b7ab0866de8971fe76895efe07515111a6c1f61040da4e",
      "randomness": "0xed5033886530a0b131810461231a11d0d0dd53565ed7ac92ff30b30320e33bd1"
    }
  ],
  "blockNumber": "7,412,143"
}

{
  "Sr25519": "0x6cb2ddfb518f56227dc26bcaa8523ea0e8a733dc9e63a37518c94c15eaab44535c30c2123fcd788fbddede8eb71ffe396a1f42dcec5eee5da7a9ed75192dc780"
}