Write Pulse

{
  "public": {
    "Sr25519": "0x1c7997818cda64bb7b0eff4726b379c86667f8a10ddb396bbac1374fc0049b76"
  },
  "pulses": [
    {
      "round": "25,584,509",
      "signature": "0xb177531d6ab9665b9119dada8a2797a8759a7409435d4a494007a5aad797b8904474127fa5538e3df343c2b13aa42e19",
      "randomness": "0x1c7bd5485e545a28f456a55942d3fd34c57312cd3598c9440460d37156b73898"
    }
  ],
  "blockNumber": "7,416,450"
}

{
  "Sr25519": "0xd87f0bd86a771435fcbe85c1e8b59a605fc3925cb0466394e3f1562125bf183813f236a71d653be6e412ee13baf98e0bfb29560368f72a2563749bd26769ce88"
}